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31 tháng 1 2018

I Find a mistake in each sentence

a) My father (A)worked=>has worked in a noisy factory(B)for a long time,(C)since he sufered from hearing (D) loss

3 1 I. Choose the best answer (marked A, B, C ,D) to complete the following sentences or do as directed. 1. Do you think there would be less conflict in the world if all people ____________ the same language? A. spoke B. speak C. had spoken D. will speak 2. If someone ___________ into our store, smile and say “May I help you?” A. comes B. came C. will come D. should come 3. The death rate would decrease if hygienic conditions...
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3 1

I. Choose the best answer (marked A, B, C ,D) to complete the following sentences or do as directed.

1. Do you think there would be less conflict in the world if all people ____________ the same language?

A. spoke B. speak C. had spoken D. will speak

2. If someone ___________ into our store, smile and say “May I help you?”

A. comes B. came C. will come D. should come

3. The death rate would decrease if hygienic conditions _________ improved.

A. be B. are C. were D. are being

4. If she him, she would be very happy.

A. meets B. will meet C. met D. should meet

5. Lisa ____________ the milk if she looked for it in the fridge.

A. will find B. found C. finds D. would find

6. Choose the word which has a different stress pattern from the others:

A. linguistic B. classical C. phonetic D. romantic

7. Choose the word which has a different stress pattern from the others:

A. oceanic B. specific C. ceramic D. aquatic

8. The soil becomes ___________ because of the use of so many pesticides and fertilizers.

A. contaminate B. contaminated C. contaminant D. contamination

9. Forest fires ____________ the pollution of the air.

A. make B. result C. cause D. lead

10. The _________ are discussing solutions to the polluted atmosphere in our city.

A. pollutants B. environmentalists C. poisons D. fumes

11. She has come __________ with an idea about the environmental project.

A. up B. on C. to D. in

12. If the local people drink contaminated water, they _________ have health problems.

A. would B. should C. will D. ought to

13. Choose the word that has the underlined part pronounced differently from the others:

A. dramatic B. unable C. national D. aquatic

14. Circle a mistake in the following sentence:

Water from power stations is able to cause water in rivers hotter.

A B C D

15. _______ many households throw garbage on the ground, the land is polluted.

A. Because B. So C. Therefore D. Due to

16. Scientists sometimes can't see the stars at night __________ light pollution.

A. due to B. because C. so D. since

17. The sight of too many telephone poles, advertising billboards, overhead power lines, or shop signs may cause _________ pollution.

A. visual B. thermal C. radioactive D. soil

18. ___________ pollution occurs when the atmosphere contains gases, dust, or fumes in harmful amounts.

A. Thermal B. Air C. Radioactive D. Water

19. If people _______ rubbish on the streets, they would look attractive.

A. threw B. didn’t throw C. don’t throw D. have thrown

20. __________ pollution is the contamination of lakes, rivers, oceans, or groundwater, usually by human activities.

A. Land B. Air C. Radioactive D. Water

II/ Rewrite the sentences, using the words in brackets. You can make some changes.

1. Aquatic creatures suffer or die because there is thermal pollution. (because of)

_____________________________________________________________

2. Many people in this area had cholera due to drinking untreated water. (since)

_____________________________________________________________

3. Mr. Nam works in the noisy environment. His hearing becomes worse. (if)

_____________________________________________________________

4. Turn the heat down or your cake will burn. (if)

_____________________________________________________________

1
19 tháng 3 2020

Luyện tập tổng hợp

1. I _______this film twice. A. see B. saw C. will see D. have seen 2. –Peter, please help me do the washing up. – Sorry, Mum. I ____TV. A. watch B. am watching C. had watched D. watched 3. The farmers _____ in the field now. A. were working B. have worked C. worked D. are working 4. The war _____ out three years ago. A. broke B. had broken C. has...
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1. I _______this film twice.

A. see B. saw C. will see D. have seen

2. –Peter, please help me do the washing up. – Sorry, Mum. I ____TV.

A. watch B. am watching C. had watched D. watched

3. The farmers _____ in the field now.

A. were working B. have worked C. worked D. are working

4. The war _____ out three years ago.

A. broke B. had broken C. has broken D. was breaking

5. He ______ a cup of coffee every morning.

A. drinks B. drank C. is drinking D. has drunk

6. She ______ a lot of new books.

A. had just bought B. has just bought C. buys D. bought

7. Up to the present, Nam_____ good work in his class.

A. does B. has done C. had done D. did

8. At present, that author ______ a historical novel.

A. is writing B. was writing C. has written D. had written

9. By next month, I _____ my first novel.

A. will finish B. am going to finish C. finish D. will have finished

10. Phong ______ at the university so far.

A. had worked B. was working C. worked D. has worked

11. How long _____ able to drive? – since 1990.

A. could you B. have you been C. were you D. are you

12. They ______ since eight o’clock.

A. are talking B. have been talking C. talked D. talk

13. My brother _______ in the army from 1990 to 1995.

A. served B. has served C. had served D. is serving

14. At this moment, I _____ that we have a good chance of victory.

A. was feeling B. am feeling C. feel D. had been feeling

15. I _____ the money from him yet.

A. haven’t received B. don’t receive

C. will receive D. am receiving

16. This is the most interesting book _____ .

A. I’ve read B. I had read C. I’ve ever readed D. I’ve ever read

17. I ____ him ten days ago.

A. see B. saw C. have seen D. will see

18. It ______ a long time since I last saw him.

A. is B. was C. will be D. had been

19. She _____ so hard this week that she doesn’t have time to go to the hairdresser’s.

A. works B. worked C. has been working D. had worked

20. Mr. John_______ to Los Angeles in 1992.

A. had gone B. has gone C. went D. was going

21. What ______ to you yesterday?

A. happened B. did happen C. had happened D. has happened

22. I never go to Australia. I _____ to Australia yet.

A. will go B. went C. haven’t been D. have been

23. What _____ do at 7:00 tomorrow morning.

A. will you B. shall you C. were you D. did you

24. Why ______ you come yesterday?

A. couldn’t B. can’t C. didn’t D. A and C

25. My mother ______ in this factory since 1990

A. works B. worked C. has worked D. had worked

26. I _____ my hair before breakfast this morning.

A. washed B. had washed C. was washing D. have washed

27. I _____ about him when he suddenly came in.

A. talk B. talked C. am talking D. was talking

28. He will finish this work before you _______ here tomorrow.

A. leave B. will leave C. would leave D. are going to leave

29. Don’t make noise. My mother ______ with her friends.

A. is talking B. was talking C. talks D. talked

30. He _____ in this office for ten years by next Monday. A. will have been working

B. would be working C. will work D. will be working

31. No sooner _____ the office than the telephone rang.

A. was he leaving B. he was leaving C. he had left D. had he left

32. George______ this movie three times.

A. sees B. has seen C. saw D. had seen

33. Food, air and clothes _______ necessary for life.

A. was B. were C. is D. are

34. He ______ a visit to Halong Bay in 1995.

A. had paid B. paid C. has paid D. pays

35. This morning while I ______ for the bus, the rain stopped.

A. waited B. have waited C. had waited D. was waiting

36. What _____ during the last few weeks.

A. did you do B. had you been doing

C. have you been doing D. were you doing

37. Up to now, the teacher _______ our class five tests.

A. gives B. is giving C. has given D. had given

38. The students _____ English now.

A. study B. are studying C. will study D. have studied

39. I don’t feel good. I _____ work tomorrow.

A. won’t be going B. won’t go to C. don’t go D. went

40. He is tired because he ____ all day.

A. had worked B. has worked C. worked D. works

41. _____ at home tonight?

A. are you staying B. do you stay

C. were you staying D. did you stay

42. We _____ in this house for ten years.

A. are living B. were living C. had lived D. have lived

43. She ____ in the departure lounge for a long time.

A. is waiting B. was waiting C. waits D. has waited

44. I ______ my driving test on Friday.

A. have passed B. had passed C. passed D. was passing

45. I ______ a vegetarian since 1998.

A. am B. was C. have been D. had been

1
7 tháng 7 2019

1. I _______this film twice.

A. see B. saw C. will see D. have seen

2. –Peter, please help me do the washing up. – Sorry, Mum. I ____TV.

A. watch B. am watching C. had watched D. watched

3. The farmers _____ in the field now.

A. were working B. have worked C. worked D. are working

4. The war _____ out three years ago.

A. broke B. had broken C. has broken D. was breaking

5. He ______ a cup of coffee every morning.

A. drinks B. drank C. is drinking D. has drunk

6. She ______ a lot of new books.

A. had just bought B. has just bought C. buys D. bought

7. Up to the present, Nam_____ good work in his class.

A. does B. has done C. had done D. did

8. At present, that author ______ a historical novel.

A. is writing B. was writing C. has written D. had written

9. By next month, I _____ my first novel.

A. will finish B. am going to finish C. finish D. will have finished

10. Phong ______ at the university so far.

A. had worked B. was working C. worked D. has worked

11. How long _____ able to drive? – since 1990.

A. could you B. have you been C. were you D. are you

12. They ______ since eight o’clock.

A. are talking B. have been talking C. talked D. talk

13. My brother _______ in the army from 1990 to 1995.

A. served B. has served C. had served D. is serving

14. At this moment, I _____ that we have a good chance of victory.

A. was feeling B. am feeling C. feel D. had been feeling

15. I _____ the money from him yet.

A. haven’t received B. don’t receive

C. will receive D. am receiving

16. This is the most interesting book _____ .

A. I’ve read B. I had read C. I’ve ever readed D. I’ve ever read

17. I ____ him ten days ago.

A. see B. saw C. have seen D. will see

18. It ______ a long time since I last saw him.

A. is B. was C. will be D. had been

19. She _____ so hard this week that she doesn’t have time to go to the hairdresser’s.

A. works B. worked C. has been working D. had worked

20. Mr. John_______ to Los Angeles in 1992.

A. had gone B. has gone C. went D. was going

21. What ______ to you yesterday?

A. happened B. did happen C. had happened D. has happened

22. I never go to Australia. I _____ to Australia yet.

A. will go B. went C. haven’t been D. have been

23. What _____ do at 7:00 tomorrow morning.

A. will you B. shall you C. were you D. did you

24. Why ______ you come yesterday?

A. couldn’t B. can’t C. didn’t D. A and C

25. My mother ______ in this factory since 1990

A. works B. worked C. has worked D. had worked

26. I _____ my hair before breakfast this morning.

A. washed B. had washed C. was washing D. have washed

27. I _____ about him when he suddenly came in.

A. talk B. talked C. am talking D. was talking

28. He will finish this work before you _______ here tomorrow.

A. leave B. will leave C. would leave D. are going to leave

29. Don’t make noise. My mother ______ with her friends.

A. is talking B. was talking C. talks D. talked

30. He _____ in this office for ten years by next Monday.

A. will have been working

B. would be working C. will work D. will be working

31. No sooner _____ the office than the telephone rang.

A. was he leaving B. he was leaving C. he had left D. had he left

32. George______ this movie three times.

A. sees B. has seen C. saw D. had seen

33. Food, air and clothes _______ necessary for life.

A. was B. were C. is D. are

34. He ______ a visit to Halong Bay in 1995.

A. had paid B. paid C. has paid D. pays

35. This morning while I ______ for the bus, the rain stopped.

A. waited B. have waited C. had waited D. was waiting

36. What _____ during the last few weeks.

A. did you do B. had you been doing

C. have you been doing D. were you doing

37. Up to now, the teacher _______ our class five tests.

A. gives B. is giving C. has given D. had given

38. The students _____ English now.

A. study B. are studying C. will study D. have studied

39. I don’t feel good. I _____ work tomorrow.

A. won’t be going B. won’t go to C. don’t go D. went

40. He is tired because he ____ all day.

A. had worked B. has worked C. worked D. works

41. _____ at home tonight?

A. are you staying B. do you stay

C. were you staying D. did you stay

42. We _____ in this house for ten years.

A. are living B. were living C. had lived D. have lived

43. She ____ in the departure lounge for a long time.

A. is waiting B. was waiting C. waits D. has waited

44. I ______ my driving test on Friday.

A. have passed B. had passed C. passed D. was passing

45. I ______ a vegetarian since 1998.

A. am B. was C. have been D. had been

Question I. Choose the best answer. (A,B, C or D) 1.I like ______________back my home village on holiday. A. comes B. come C. came D. coming 2. If the factory ________________dumping poison into the lake, all the fish and other aquatic animals will die. A. continues B. to continue C. continued D. will continue 3. Water ________________ in the lake has made the fish die. A. pollution B. pollute C. polluted D. polluting 4. Mi and Nick like ______________back Mi’s home village on...
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Question I. Choose the best answer. (A,B, C or D)

1.I like ______________back my home village on holiday.

A. comes B. come C. came D. coming

2. If the factory ________________dumping poison into the lake, all the fish and other aquatic animals will die.

A. continues B. to continue C. continued D. will continue

3. Water ________________ in the lake has made the fish die.

A. pollution B. pollute C. polluted D. polluting

4. Mi and Nick like ______________back Mi’s home village on holiday.

A. comes B. come C. came D. coming

5. If the factory continues dumping poison into the lake, all the fish and other aquatic animals ________________.

A. die B. to die C. dead D. will die

6. Water pollution is the ________________ in the lake has made the fish die.

A. contaminating B. contaminate C. contaminated D. contamination

7. If we ______________water carefully, more people will have fresh water.

A. will use B. would use C. using D. use

8. If the factory continues dumping poison ________________ the lake, all the fish and other aquatic animals will die.\

A. into B. to C. about D. in

Question II. Put the verbs in brackets into the correct form.

(Chia những động từ trong ngoặc đơn vào đúng hình thức).

1.If we (recycle) ________ more, we will help the Earth.

2. Factories (not dump) ______________waste into rivers if the government fine them heavily.

3. If people travel to work by bus, there (be) ______________fewer car fumes.

4. We (save) ________________thousands of trees if we don’t waste paper.

5. If we use water carefully, more people (have) ______________fresh water.

Question II. Put the verbs in brackets into the correct form.

(Chia những động từ trong ngoặc đơn vào đúng hình thức).

1. If he (study) ________________ harder, he can pass an exam.

2. She may be late if she (not hurry) ________________.

3.If you study harder, you (pass) ________________ the exam.

4. If you are kind to me, I (be) _______________ good to you.

5.If he (give) _______________ up smoking, as his doctor orders, he will be soon well again.

6.If you (be) ________________ the president, what would you do to help the environment ?

7.They get sick so often.If they exercised more, they (be) ________________ heathier.

8.If I (have) ________________ one million US dollars , I would build more parks in our city.

9.Quan’s mother is unhappy. If Quan tided his room every day, his mother (not be) ______

so upset.

10.There isn’t a garden at house .If there were, we (grow) ________________ vegetables.

1
20 tháng 4 2020

question1

1d,2a,3a,4d,5d,6d,7d,8a

question2

1recycle

2will not dump

3will be

4will save

5will have

question3

1 studies

2 doesn't hurry

3 can

4 will be

5 gives

6 were

7 will be

8 had

9 will not be

10 would grow

25 tháng 5 2021

1 worked => has worked

2 connect => connects

3 reconstruct => reconsstructed

4 will => is going to

5 might => may

15 tháng 1 2018

2. Each sentence below contains an error, underline and write the correct one in the space. (2,5ms)

25. I want to know where Tom go=> HAD GONE last week.

A B C D

26. Although Jack was much interested in , he decided not buying=> TO BUY it.

A B C D

27. We didn’t go out because it was raining heavy\> HEAVILY.

A B C D

28. My mother asked me how many classes were there=> THERE WERE in my school.

A B C D

29. She said I had to pay her now=> THEN.

A B C D

15 tháng 1 2018

2. Each sentence below contains an error, underline and write the correct one in the space. (2,5ms)

25. I want to know where Tom go=>went last week.

A B C D

26. Although Jack was much interested in , he decided not buying=>to buy it.

A B C D

27. We didn’t go out because it was raining heavy=>heavy rain

A B C D

28. My mother asked me how many classes were there=>there were in my school.

A B C D

29. She said I had to pay her now=>then

A B C D

I. SUPPLY SUITABLE WORDS TO COMPLETE THE FOLLOWING PASSAGE. Our classes take place for three hours every morning (1) Monday to Friday. The maximum class size (2) twenty and the average is ten. We use modern methods of (3) and learning, and the school has a language laboratory, a video camera and recorder. You will only be successful (4) improving your English, however, if you work hard and (5) speaking English as much as you can. You will take a short (6) in English as soon as you arrive. In...
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I. SUPPLY SUITABLE WORDS TO COMPLETE THE FOLLOWING PASSAGE.

Our classes take place for three hours every morning (1) Monday to Friday. The maximum class size (2) twenty and the average is ten. We use modern methods of (3) and learning, and the school has a language laboratory, a video camera and recorder. You will only be successful (4) improving your English, however, if you work hard and (5) speaking English as much as you can. You will take a short (6) in English as soon as you arrive. In this way, we can put you in a (7) at the most suitable level. There are two classes (8) the elementary level; one is for complete beginners and the (9) is for students who know a (10) English. In both classes, you will practise simple conversations.

II. REWRITE THE SECOND SENTENCE SO THAT IT HAS A SIMILAR MEANING TO THE FIRST ONE

1. My house is smaller than your house. → Your house ......................................................................... 2. I love listening to music. → I like.................................................................................... 3. The black dress is more expensive than the white one. → The white dress .................................................................. 4. No one in my group is more intelligent than Mary. → Mary ..................................................................................

III. FILL IN THE BLANKS WITH SUITABLE PREPOSITIONS: “IN, AT, ON, AFTER, UNDER, BETWEEN, BESIDE, OUT OF, ABOVE, BENEATH”.

1. There is a bus station ..................... the end of this road. 2. Keep those medicines ..................... the children‟s reach. 3. I lost my keys somewhere ..................... the car and the house. 4. Come ..................... and sit ..................... your sister. 5. D comes ..................... C in the alphabet. 6. The boat sank ..................... the waves. 7. Don‟t shelter ..................... the trees when it‟s raining. 8. Please put these books ..................... the bookshelf ..................... the desk.

IV. CHOOSE THE CORRECT ANSWER; A, B, C OR D.

1. We to the countryside two months ago. A. go B. have gone C. went D. will go 2. What will you do if you the final examinations? A. will pass B. would pass C. pass D. passed 3. I wish my summer holiday longer. A. will be B. is C. were D. has been 4. I asked him he came from. A. where B. who C. what D. which 5. It rained hard. , my father went to work. A. Therefore B. However C. Because D. So 6. Your sister writes poems and stories, she? A. does B. doesn‟t C. will D. won‟t 7. Laura fell asleep during the lesson she was tired. A. so B. but C. because D. therefore 8. How much do you want? A. bananas B. eggs C. candies D. sugar 9. Do you know the man you met at the party yesterday? A. what B. which C. whom D. whose 10. Tomorrow the director will have a meeting 8:00 am to 10:00 am. A. between B. from C. among D. in 11. The doctor advised me jogging every morning. A. went B. go C. to go D. going 12. The bike I have just bought is every cheap. A. which B. where C. what D. who 13. We will start our trip 6 o‟clock the morning. A. in / in B. at / in C. in / at D. at / at 14. He said he come back later. A. will be B. will C. would be D. would 15. We anything from James since we left school. A. haven‟t heard B. heard C. don‟t hear D. didn‟t hear 16. If I a bird, I would be a dove. A. would be B. were C. am D. will be 17. The children sang during the trip. A. happily B. happiness C. unhappy D. happy 18. This newspaper everyday. A. is publishing B. publish C. published D. is published 19. You have lived in this city since 1998, ? A. haven‟t you B. didn‟t you C. did you D. have you 20. My students enjoy English very much. A. learn B. learnt C. learning D. to learn help vs ạ!!!
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III. Correct the verbs form to complete the sentences. 11. If you (go) _____________ away, please write to me. 12. If he (eat) _____________ another cake, he will be sick. 13. I (not do) _____________ that if I (be) _____________ you. 14. If he (take) _____________ my advice, everything can go well. 15. He never does homework. If he (do) __________ his homework, he (not worry) __________ about his exam. 16. What you (do) _____________ if she refuses your invitation? 17. If today (be)...
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III. Correct the verbs form to complete the sentences. 11. If you (go) _____________ away, please write to me. 12. If he (eat) _____________ another cake, he will be sick. 13. I (not do) _____________ that if I (be) _____________ you. 14. If he (take) _____________ my advice, everything can go well. 15. He never does homework. If he (do) __________ his homework, he (not worry) __________ about his exam. 16. What you (do) _____________ if she refuses your invitation? 17. If today (be) _____________ Sunday, we (go) _____________ to the beach. 18. Unless they (pass) _____________ their examinations, they would join the army. 19. You (be) _____________ ill if you drink that water. 20. If Tom (go) _____________ to bed earlier, he would not be so tired. 21. If it’s raining heavily, we (not go) _____________ for a donkey ride. 22. If he (try) _____________ hard, he’ll pass the examination. 23. I could understand the French teacher if she (speak) _____________more slowly. 24. If I (finish) _____________ the work in time, I (go) _____________ to the football game. 25. If you (see) _____________ Mary today, please (ask) _____________her to call me. IIII. Complete the sentences with the correct verb form in the bracket. 26. If someone offered to buy you one of those rings, which you (choose) _____________? 27. The flight may be cancelled if the fog (get) _____________ thick. 28. If the milkman (come) _____________, tell him to leave two pints. 29. I (call) _____________ the office if I were you. 30. Someone (sit) _____________ on your glasses if you leave them there. 31. You would hear my explanation if you (not talk) _____________ so much. 32. What you (do) _____________ if you hear the burglar alarm? 33. If you (read) _____________ the instructions carefully, you wouldn’t have answered the wrong question. 34. If Mel (ask) _____________ her teacher, he’d have answered her questions. 35. I would repair the roof myself if I (have) _____________ a long ladder. 36. Unless they turn that radio off, I (go) _____________ mad. 37. If you were made redundant, what you (do) _____________? 38. We’ll have a long way to walk if we (run) _____________ out of petrol here. 39. If you shake that bottle of port, it (not be) _____________ fit to drink. 40. If you spoke louder, your classmates (understand) _____________you. 41. I’ll probably get lost unless he (come) _____________ with me. 42. You (not have) ​ so many accidents if you drove more slowly. 43. If you (wear) _____________ a false beard, nobody would have recognized you. 44. If she (leave) _____________ the fish here, the cat will eat it 45. You (have) _____________ no trouble at school if you had done your homework. V. Choose the best answer A, B, C or D. 46. If I ______ the same problem you had as a child, I might not have succeed in life as well as you have.

A. have​B. would have​C. had had​D. should have

47. I ______ you sooner had someone told me you were in the hospital.

A. would have visited​B. visited​C. had visited​D. visit

48. ______ more help, I would call my neighbor.

A. Needed​B. Should I need​C. I have needed​D. I should need

49. ______ then what I know yesterday, I would have saved myself a lot of time and trouble over the years.

A. Had I known​B. Did I know​C. If I know​D. If I would know

50. Do you think there would be less conflict in the world if all people ______ the same language?

A. spoke​B. speak​C. had spoken​D. will speak

51. If you can give me one good reason for your acting like this, ______this incident again.

A. I will never mention​B. I never mention​C. will I never mention​D. I don’t mention

52. If I had known you were asleep, I ______ so much noise when I came in.

A. didn’t make​B. wouldn’t have made​C. won’t make​D. don’t make

53. Unless you ______ all of my questions, I can’t do anything to help you.

A. answered​B. answer​C. would answer​D. are answering

54. Had you told me that this was going to happen, I ____________ it.

A. would have never believed​B. don’t believe​C. hadn’t believed​D. can’t believe

55. If Jake ______ to go on the trip, would you have gone?

A. doesn’t agree​B. didn’t agree​C. hadn’t agreed​D. wouldn’t agree

56. Jane: “John went to the hospital alone”,​Katy: “If ______, I would have gone with him”.

A. had he told me​B. he had told me​C. he has told me​D. he would tell me

57. If you ______, I would have brought my friends over to your house yesterday to watch T.V, but I didn’t want to bother you.

A. had studied​B. studied​C. hadn’t studied​D. didn’t study

58. Peter: “Did you need help with your Math last night?”​Mary: “If I had needed, I ______ you".

A. would call​B. called​C. would have called​D. will call

59. If someone ______ into the store, smile and say, “May I help you?”

A. comes​B. came​C. come​D. should come

60. “Here’s my phone number”.​“Thanks. I’ll give you a call if I ______ some help tomorrow”

A. will need​B. need​C. would need​D. needed

61. If I didn’t work for an accounting firm, I ______ in a bank now.

A. work​B. will work​C. have worked​D. would work

62. The death rate would decrease if hygienic conditions ______ improved.

A. was​B. is​C. were​D. had been

63. The education in Japan ______ if the basic principles of education had not been taken into consideration.

A. would go down​B. would have gone down​C. went down​D. had gone down

64. If there ______, the rice fields could have been more productive.

A. had been enough water​B. were enough water​C. would be enough water​​D. are enough water

65. The patient will not recover unless he ______ an operation.

A. had undergone​B. would undergo​C. undergoes​D. was undergoing

66. If she ______ him, she would be very happy.

A. would meet​B. will meet​C. met​D. should meet

67. If he ______ a thorough knowledge of English, he could have applied for this post.

A. had had​B. had​C. has​D. has had

68. If I had enough money, I ______ abroad to improve my English.

A. will go​B. would go​C. went​D. should have go to

69. The bench would collapse if they ______ on it.

A. stood​B. stand​C. standing​D. stands

70. If it ______ convenient, let’s go out for a drink tonight.

A. be​B. is​C. was​D. were

VI. Complete the sentences, using the correct form of the words in brackets. 71. People believe that the ____________ water has brought cancer to the local residents. (pollute) 72. Light pollution make us ____________ to see the stars in the sky. (able) 73. Noise is considered as ____________ pollution. (environment)​ 74. ____________ habitats have been destroyed in recent years. (nature) 75. A number of cleaning products contain ____________ chemicals. (harm) 76. Water samples collected at these villages were seriously ____________with bacteria. (contaminate) 77. An ____________ of agrochemicals is pesticides. (illustrate) 78. Contaminants are usually ____________ to aquatic plants. (poison) VII. Fill in each blank with the correct preposition. 79. Land pollution is responsible for damage done ____________ natural habitat of animals. 80. Americans throw ____________ twenty-eight and a half million tons of plastic in landfills every year. 81. Scientists have come up ____________ new ways of saving energy. 82. Thousands of people were exposed ____________ radiation when the nuclear plant exploded. 83. Waste water from many factories which is dumped ____________ water bodies directly causes water pollution.
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8 tháng 3 2020

V. Choose the underlined word or phrase, A, B, c or D that needs correcting.
1. What will -> would happen if the Earth stopped moving?
2. One of the things all of us can do to protect and improve our environment is recycle -> recycling.
3. Humans can even die if they will drink -> drink contaminated water.
4. Long-term exposure to loud noise results -> results in permanent hearing loss.
5. They believe that water pollution is the large -> largest cause of death and disease in the world.
6. Is the recycling process in -> X itself damaging for the environment?
7. We won’t -> will save the environment if we stop using so much energy.
8. One in six species is at risk of extinction because -> because of climate change.
9. The amount of waste decreased -> would decrease if people started to buy reusable packages.
10. Contaminated water can cause of -> X many types of diarrheal diseases, including cholera.