K
Khách

Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.

7 tháng 6 2017

ĐIỀN GIỚI TỪ : from, on, with, in, to, for, of, up, at, by, into, down, out

1) HE WAS OPERATED......on.... YESTERDAY.

2) I HAVE A PAIN .......in..... MY BACK.

3) SHE GOT WORSE SO THEY SENT ......to..... A DOCTOR.

4) WHICH SCHOOL DO YOU GO .......to.......?

5) HE LEFT SCHOOL .........at...... THE AGE ...of....... 18.

6) THE SUMMER TERM ENDS ......in....... JULY.

7) SHE GOES .....to...... SUSSEX UNIVERSITY.

8) HIS LECTURE WAS DIVIDED .....into..... FOUR PARTS.

9) SCHOOL BREAKS.......down.......NEXT FRIDAY.

10) HE IS NOW......at.........UNIVERSITY.

11) SHE IS ........in........ THE SAME CLASS AS HER BROTHER.

12) STUDENTS USUALLY RECEIVE A GRANT ......from.... THE STATE.

13) THEY'RE GIVEN A GRANT ...from......... THE STATE.

14) HE TOOK ........up......... MY ORDER.

15) I LIKE TO GO ...to...... SELF-SERVICE PLACES.

16) PUT THE USED CULTERY ....into..... THE SINK.

17) I'LL WASH THEM .......up....... LATER.

Supply the correct verb tense or form:1. He (see).....her while he (walk)....... down the street yesterday2.After he (do)..... his homework, he went to the cinema3. Tom (play)........ football when he was a little boy4. Let's go for a walk as soon as it stops (rain).......5. Last night, when I (come)...... there, they ( already/ go)......to the party6.Do you remeber (read) ..... about it? No, at that time I was too young (read)..... newspaper7.My brother is a stamp collector. He started (...
Đọc tiếp

Supply the correct verb tense or form:

1. He (see).....her while he (walk)....... down the street yesterday

2.After he (do)..... his homework, he went to the cinema

3. Tom (play)........ football when he was a little boy

4. Let's go for a walk as soon as it stops (rain).......

5. Last night, when I (come)...... there, they ( already/ go)......to the party

6.Do you remeber (read) ..... about it? No, at that time I was too young (read)..... newspaper

7.My brother is a stamp collector. He started ( collect)...... stamps when he (be)..... 15 years old. He (collect)...... many kinds of stamps

8. The last time he (see) ....... in public, he (wear)....... a great suit

9. We (not/see) ..... her since she (leave) ....... school

10. Lan said that she (get)....... married soon.

11. My brother (go)..... to bed after he (turn)........ the lights off last night

12. She is not accustomed to ( take)...... care of by others.

13. We (live)..... in the house since we came here

14. She entered the university after she (graduate)...... from gigh school

15. They ( finish)........ the project by the end of the next year

16. When Mark arrived, the Johnsons (have)...... dinner, but they (stop).......(talk)... to him

17. They (live)...... next door to my house since I (be).... young

18. By the end of the next year, I (work)....... for him for 25 years

19. While she (talk)......on the phone, the children (start)..... (fight)...... and (break)........on a window

20. When I (be) .....a boy, I often (go) ..... fishing with my father

21. Columbus (discover)......... America 500 years ago

22.When I (leave)........ my office last night, it (still/rain)........very hard

23. What do you think the children (do) .... when we (get)......home tomorrow?

24. He (lose)...... his job last month and since then he (be)...... out of work

25. When we (come)...... there last night, they (be)......there for an hour

1
23 tháng 8 2019

Supply the correct verb tense or form:

1. He (see)...saw..her while he (walk)...walked.... down the street yesterday

2.After he (do)...had done.. his homework, he went to the cinema

3. Tom (play)....played.... football when he was a little boy

4. Let's go for a walk as soon as it stops (rain)..to rain.....

5. Last night, when I (come)....came.. there, they ( already/ go)..had already gone....to the party

6.Do you remeber (read) .to read... about it? No, at that time I was too young (read)..to read... newspaper

7.My brother is a stamp collector. He started ( collect)...collecting... stamps when he (be)...was.. 15 years old. He (collect)...collected... many kinds of stamps

8. The last time he (see) ....saw... in public, he (wear).....wore.. a great suit

9. We (not/see) .haven't seen.... her since she (leave) ...left.... school

10. Lan said that she (get)...would get.... married soon.

11. My brother (go)..went... to bed after he (turn)....had turned.... the lights off last night

12. She is not accustomed to ( take)...taking... care of by others.

13. We (live)..have lived... in the house since we came here

14. She entered the university after she (graduate)...had graduated... from gigh school

15. They ( finish)..will finish..... the project by the end of the next year

16. When Mark arrived, the Johnsons (have)...were having... dinner, but they (stop)..stopped....(talk)..talking. to him

17. They (live)....lived.. next door to my house since I (be)..was.. young

18. By the end of the next year, I (work)...will have worked.... for him for 25 years

19. While she (talk)..was talking...on the phone, the children (start)...started.. (fight)....fighting.. and (break)...breaking.....on a window

20. When I (be) .was....a boy, I often (go) .went.... fishing with my father

21. Columbus (discover)......discovered... America 500 years ago

22.When I (leave)..left...... my office last night, it (still/rain).....was still raining...very hard

23. What do you think were the children (do) ..doing.. when we (get).got.....home tomorrow?

24. He (lose)....has lost.. his job last month and since then he (be)...was... out of work

25. When we (come)....came.. there last night, they (be)...were...there for an hour

 Supply the correct verb tense or form:1. He (see).....her while he (walk)....... down the street yesterday2.After he (do)..... his homework, he went to the cinema3. Tom (play)........ football when he was a little boy4. Let's go for a walk as soon as it stops (rain).......5. Last night, when I (come)...... there, they ( already/ go)......to the party6.Do you remeber (read) ..... about it? No, at that time I was too young (read)..... newspaper7.My brother is a stamp collector. He started (...
Đọc tiếp

 

Supply the correct verb tense or form:

1. He (see).....her while he (walk)....... down the street yesterday

2.After he (do)..... his homework, he went to the cinema

3. Tom (play)........ football when he was a little boy

4. Let's go for a walk as soon as it stops (rain).......

5. Last night, when I (come)...... there, they ( already/ go)......to the party

6.Do you remeber (read) ..... about it? No, at that time I was too young (read)..... newspaper

7.My brother is a stamp collector. He started ( collect)...... stamps when he (be)..... 15 years old. He (collect)...... many kinds of stamps

8. The last time he (see) ....... in public, he (wear)....... a great suit

9. We (not/see) ..... her since she (leave) ....... school

10. Lan said that she (get)....... married soon.

11. My brother (go)..... to bed after he (turn)........ the lights off last night

12. She is not accustomed to ( take)...... care of by others.

13. We (live)..... in the house since we came here

14. She entered the university after she (graduate)...... from gigh school

15. They ( finish)........ the project by the end of the next year

16. When Mark arrived, the Johnsons (have)...... dinner, but they (stop).......(talk)... to him

17. They (live)...... next door to my house since I (be).... young

18. By the end of the next year, I (work)....... for him for 25 years

19. While she (talk)......on the phone, the children (start)..... (fight)...... and (break)........on a window

20. When I (be) .....a boy, I often (go) ..... fishing with my father

21. Columbus (discover)......... America 500 years ago

22.When I (leave)........ my office last night, it (still/rain)........very hard

23. What do you think the children (do) .... when we (get)......home tomorrow?

24. He (lose)...... his job last month and since then he (be)...... out of work

25. When we (come)...... there last night, they (be)......there for an hour

 

2
14 tháng 8 2019

1. He (see)...saw..her while he (walk)...was walking.... down the street yesterday

2.After he (do)..had done... his homework, he went to the cinema

3. Tom (play).....played... football when he was a little boy

4. Let's go for a walk as soon as it stops (rain)..raining.....

5. Last night, when I (come)..came.... there, they ( already/ go)...had already gone...to the party

6.Do you remember (read) ..reading... about it? No, at that time I was too young (read)..to read... newspaper

7.My brother is a stamp collector. He started ( collect)..collecting.... stamps when he (be)..was... 15 years old. He (collect).has collected..... many kinds of stamps

8. The last time he (see) ...saw.... in public, he (wear)....was wearing... a great suit

9. We (not/see) .haven't seen.... her since she (leave) ...left.... school

10. Lan said that she (get)...had got.... married soon.

14 tháng 8 2019

11. My brother (go)..went... to bed after he (turn)...had turned.... the lights off last night

12. She is not accustomed to ( take)...taking... care of by others.

13. We (live)...have lived.. in the house since we came here

14. She entered the university after she (graduate)..had graduated.... from gigh school

15. They ( finish)....will have finished.... the project by the end of the next year

16. When Mark arrived, the Johnsons (have)..were having.... dinner, but they (stop)...stopped....(talk)..to talking.... to him

17. They (live)...have lived... next door to my house since I (be)..was. young

18. By the end of the next year, I (work)....will have worked... for him for 25 years

19. While she (talk)...was talking...on the phone, the children (start)...started.. (fight)...to fight... and (break)...broke.....on a window

20. When I (be) .was...a boy, I often (go) ...went.. fishing with my father

21. Columbus (discover)...discovered...... America 500 years ago

22.When I (leave)....left.... my office last night, it (still/rain).....was still raining...very hard

23. What do you think the children (do) ..will do.. when we (get)...get...home tomorrow?

24. He (lose)...lost... his job last month and since then he (be)..was.... out of work

25. When we (come)...came... there last night, they (be)..had been....there for an hour

22 tháng 11 2018

Execixse 1 :Put the verb into the corect form tenses

1. She asked me (to turn on) the lights.

2. I (saw) her last year.

3. Tom (has never beên ) in Hanoi.

4. He likes ( playing ) soccer,but he hates ( washing up ).

5. What did you (do) yesterday ?

6. Did You (watch) tv last night ?

7. She (was) born in 1980.

8. How have long you (learned) english ? I (have learned) English for 5 year.

9. She usually(watches)on saturday mornings.

10. The sun (rises) in the east and (sets) in the west.

11. My grandma (used) to tell me the folktales.

12. She (does not like) playing soccer.

13. Where are you (going to ) visit next summer ?

14. They (have worked) in this company for ten years.

15. My mother has to (clean) the floor everyday.

16. He (has Not written) to his friend since monday.

17.Students mút (go) to school on time.

18. I (got) a letter from my old friend yesterday.

19.Where did he (use to) live before he moved here?

25 tháng 11 2018

thank nha

\(They (study) __________ at this school for 7 years now. 13/ They (begin) __________ to study at this school 7 years ago. 14/ Since when (you know) ___________ her ? 15/ How long ago (he start) __________ to learn French ? 16/ She (lose) __________ her handbag on the train yesterday morning. 17/ My mother (be) ______ in hospital for a long time and she cannot go home yet. 18/ His dog (just run) __________ out of the garden.\) 20/ He (travel) ___________ to Mexico by air last summer. I (try)...
Đọc tiếp

\(They (study) __________ at this school for 7 years now. 13/ They (begin) __________ to study at this school 7 years ago. 14/ Since when (you know) ___________ her ? 15/ How long ago (he start) __________ to learn French ? 16/ She (lose) __________ her handbag on the train yesterday morning. 17/ My mother (be) ______ in hospital for a long time and she cannot go home yet. 18/ His dog (just run) __________ out of the garden.\)

20/ He (travel) ___________ to Mexico by air last summer.

I (try) __________ to learn French for years, but I (not succeed) _________ yet.
2/ She (read) _________ all the works of Dickens.How many (you read) _________?
3/ I (wait) __________ here nearly half an hour for my girlfriend; do you think she (forget)
__________ to come ?
4/ Mary (rest) __________ in the garden all day because she (be) __________ ill.
5/ Although John (study) __________ at the University for 5 years, he (not get) __________
his degree yet.
6/ Jack (go) __________ to Switzerland for a holiday. He (never, be) _____ there.
7/ We (live) __________ here for the last six months, and (just, decide) __________ to move.
8/ That book ( lie) __________ on the table for weeks. You (not read) ____ it yet ?
9/ He (not be) ___________ here since Christmas; I wonder where he (live) __________ since
then.
10/ He (lose) ___________ his books. He (look) ____________ for them all afternoon, but
they (not turn up) ___________ yet.
11/ She (work) ___________ so hard this week that she (not have) ___________ time to go to
the cinema.
12/ Your hair is wet. (You swim) __________ for a long time ?
13/ Bill is still a bad driver although he (drive)__________ cars for six years.
14/ You look very tired. (You work) __________very hard ?
15/ The phone (ring) __________ for 2 minutes, but I (not answer) ________ it yet

1
27 tháng 6 2017

They (study) ____have been studying______ at this school for 7 years now.
13/ They (begin) ____began______ to study at this school 7 years ago.
14/ Since when (you know) ____have you known_______ her ?
15/ How long ago (he start) ____did he start______ to learn French ?
16/ She (lose) ____lost______ her handbag on the train yesterday morning.
17/ My mother (be) __has been____ in hospital for a long time and she cannot go home yet.
18/ His dog (just run) _____has just run _____ out of the garden.

20/ He (travel) ____travelled_______ to Mexico by air last summer.

I (try) ____have been trying______ to learn French for years, but I (not succeed) ___have not succeeded_____ yet.
2/ She (read) ___has read______ all the works of Dickens.How many (you read) ___have you read______?
3/ I (wait) _____have been waiting_____ here nearly half an hour for my girlfriend; do you think she (forget)
____has forgotten______ to come ?
4/ Mary (rest) ____has been resting______ in the garden all day because she (be) ___has been_______ ill.
5/ Although John (study) ____has studied______ at the University for 5 years, he (not get) ____hasn't got______
his degree yet.
6/ Jack (go) ____has been going______ to Switzerland for a holiday. He (never, be) ___had never been__ there.
7/ We (live) ___have been lying_______ here for the last six months, and (just, decide) ___have just decided_______ to move.
8/ That book ( lie) ____has been lying______ on the table for weeks. have You (not read) __read__ it yet ?
9/ He (not be) _____hasn't been______ here since Christmas; I wonder where he (live) _____has been living_____ since
then.
10/ He (lose) _____has lost______ his books. He (look) _______has been looking_____ for them all afternoon, but
they (not turn up) _____haven't turned up______ yet.
11/ She (work) ______has been working_____ so hard this week that she (not have) ____hasn't had_______ time to go to
the cinema.
12/ Your hair is wet. (You swim) ____have you been swimming______ for a long time ?
13/ Bill is still a bad driver although he (drive)____has driven______ cars for six years.
14/ You look very tired. (You work) ____have you been working______very hard ?
15/ The phone (ring) ____has been ringing______ for 2 minutes, but I (not answer) ___haven't answered_____ it yet

Give the correct from of the verbs in bracket to complete the following sentences 1. No one enjoy (go).... to hospital 2. A new school (build).... near our school next week 3. What.... you (do)...... at the moment? I watch.... TV 4. We (be)..... student in four years 5..... you (be) angry if he refuses to help your? 6. I will send him the message as soon as he (return)...... 7. At little girl can't spend all her time (listen)..... to stories. 8. The house work (do)...... by mom every...
Đọc tiếp

Give the correct from of the verbs in bracket to complete the following sentences

1. No one enjoy (go).... to hospital

2. A new school (build).... near our school next week

3. What.... you (do)...... at the moment? I watch.... TV

4. We (be)..... student in four years

5..... you (be) angry if he refuses to help your?

6. I will send him the message as soon as he (return)......

7. At little girl can't spend all her time (listen)..... to stories.

8. The house work (do)...... by mom every day

9. We (have)..... a meeting tomorrow

10. Let's (go)..... to the English club

11. Ba like (play)..... the guitar. He often (practice)..... playing after school

12. What..... your brother (do)..... in his free time

13. My father usually (go).... to work by bus

14. Trees (plant).... here next year

15. Be careful! The children (cross)..... the street

16. My bike can (fix)..... by my dad

17. Last week, I (have)..... a picnic near the lake

18. English (learn).... by us for two years

19. She hate (look).... by strange

3
23 tháng 8 2018

Give the correct from of the verbs in bracket to complete the following sentences

1. No one enjoy going to hospital

2. A new school will be built near our school next week

3. What are you doing at the moment? I am watching TV

4. We will be student in four years

5Will you be angry if he refuses to help your?

6. I will send him the message as soon as he returns.

7. At little girl can't spend all her time listening to stories.

8. The house work is done by mom every day

9. We are having a meeting tomorrow

10. Let's go to the English club

11. Ba likes playing the guitar. He often practice playing after school

12. What does your brother do in his free time

13. My father usually goes to work by bus

14. Trees will be planted here next year

15. Be careful! The children is crossing the street

16. My bike can be fixed by my dad

17. Last week, I had a picnic near the lake

18. English was learnt by us for two years

19. She hate being looked by strange

23 tháng 8 2018

1.going

2.will be built

3.are you doing, am watching

4.will be

5.Are

6.returns

7.listening

8.is done

9.will have

10.go

11.playing,practices

12.does.. .do

13.goes

14.will be planted

15.are crossing

16.fix

17.had

18.has been learnt

19.cooking

MN giúp mình với ạEx: Rewriting1 I'm busy so i can't go out with my friends ➞ If2 He plays soccer well so he can take part in the Games ➞ If3 She can't go to the party because i don't invite her ➞ If4 I can't get a job easily because I don't have a degree ➞ If5 He doesn't have enough money , so he doesn't buy a house ➞ If6 It is raining heavily so we can't go to the market ➞ If7 He will go to watch the World Cup because he is studying in Russi ➞ If8 I didn't talk to him...
Đọc tiếp

MN giúp mình với ạ

Ex: Rewriting

1 I'm busy so i can't go out with my friends ➞ If

2 He plays soccer well so he can take part in the Games ➞ If

3 She can't go to the party because i don't invite her ➞ If

4 I can't get a job easily because I don't have a degree ➞ If

5 He doesn't have enough money , so he doesn't buy a house ➞ If

6 It is raining heavily so we can't go to the market ➞ If

7 He will go to watch the World Cup because he is studying in Russi ➞ If

8 I didn't talk to him because i didn't know him ➞ If

9 John didn't have money so he couldn't lend you some ➞ If

10 We couldn't go out because the weather was so bad ➞If

11 Mary didn't wear the raincoat, so she got a cold ➞If

12 Marry was injured in the crash because she wasnot wearing the seat belt ➞ If

13 Carol didn't answer the phone because he was studying ➞ If

14 You didn't eat breakfast, so you are hungry now➞If

15 I stayed up late last night, so i feel asleep now ➞If

16 I can't retell the film now because i didn't wlatch it last night ➞If

17 He is tired now because he drank too much yesterday evening➞If

18 I bought the car yesterday, so I run out of money now➝ If

19 He didn't go to the class regularly, so he can't take part in the competition now➞If

12
25 tháng 8 2019

Dài quá chịu luôn

25 tháng 8 2019

câu dk loại 2

5 tháng 8 2019

5. Find the unnecessary word for each sentence.

1. He is expected that to come first in his class. .....that.....

2. He can't avoid to getting into trouble at school. .....to.....

3. If she passes her A levels, she'll go to the university. .....the....

4. My brother was failed his driving test for the third time. ........was.

5. I was being given a low grade in the final test. ......being........

5 tháng 8 2019

1. He is expected that to come first in his class. .....that.....

2. He can't avoid to getting into trouble at school. .....to.....

3. If she passes her A levels, she'll go to the university. .....the....

4. My brother was failed his driving test for the third time. was.

5. I was being given a low grade in the final test. being

EXERCISE ON SPECIAL PASSIVE 1. How many days did she spend fishing the work ? 2. Someone is following me. 3. She read the letter again and again last night. 4. The doctor pulled out one of my teeth yesterday morning. 5. The tailor has just made a new suit for me . 6. He has caught a lion and shot 2 others. 7. He received a letter from home by the evening post. 8. I put the 5- pound note into one of my books yesterday. 9. After he had told the story , we clapped our hanhds. 10. His...
Đọc tiếp

EXERCISE ON SPECIAL PASSIVE

1. How many days did she spend fishing the work ?

2. Someone is following me.

3. She read the letter again and again last night.

4. The doctor pulled out one of my teeth yesterday morning.

5. The tailor has just made a new suit for me .

6. He has caught a lion and shot 2 others.

7. He received a letter from home by the evening post.

8. I put the 5- pound note into one of my books yesterday.

9. After he had told the story , we clapped our hanhds.

10. His wife usually brings him sandwides at lunch time.

11. They were continually asking question.

12. We have to pick fruit very early in the morning.

13. How many books do you give me ?

14. He alway lost keys.

15. The light went out while I was making a cup of tea.

16. When she went to Barcelona , she learnt some Spanish.

17. The students of chemistry made many experiments last week.

18. When will you do the work?

19. My brother has sent me this interesting book.

20. He couldn't find his key.

GIÚP MK VỚI !

1
30 tháng 12 2018

EXERCISE ON SPECIAL PASSIVE

1. How many days did she spend fishing the work?

=> How many days was spent finishing the work by her ?

2. Someone is following me.

=> I am being followed.

3. She read the letter again and again last night.

=> The letter was read again and again last night.

4. The doctor pulled out one of my teeth yesterday morning.

=>One of my teeth was pulled out by the doctor yesterday morning.

5. The tailor has just made a new suit for me .

=> A new suit has just been made for me by the tailor

6. He has caught a lion and shot 2 others.

=> A lion has been caught and 2 others have been shot.

7. He received a letter from home by the evening post.

=>A letter from home was received by the evening post

8. I put the 5- pound note into one of my books yesterday.

=> The 5- pound note was put into one of my books yesterday.

9. After he had told the story , we clapped our hands.

=> After the story had been told, Our hands were clapped

10. His wife usually brings him sandwides at lunch time.

=> His sandwides are usually brought by his wife at lunch time

11. They were continually asking question.

=> Question was continually being asked

12. We have to pick fruit very early in the morning.

=> Fruit has to be picked very early in the morning.

13. How many books do you give me ?

=> How many books are given to me?

14. He always lost keys.

=> His keys are always lost.

15. The light went out while I was making a cup of tea.

=> The light went out while a cup of tea was being made.

16. When she went to Barcelona , she learnt some Spanish.

=> When she went to Barcelona , some Spanish was learnt.

17. The students of chemistry made many experiments last week.

=> Many experiments were made by the students of chemistry last week

18. When will you do the work?

=>When will the work be done?

19. My brother has sent me this interesting book.

=> This interesting book has been sent to me by my brother.

20. He couldn't find his key.

=> His key couldn’t be found

31 tháng 12 2018

mơn nhìu nha ^-^

Put the correct form 1) He (plant)........ trees in the garden at 4 pm yesterday. 2. while They (work)...... she came yesterday. 3. She (paint)........ a picture while her mother (make )........a cake. 4.Anne was riding her bike to school when Peter saw her yesterday. 5. While she (type)........ a letter his boss (go)..... into the room. 6.I (walk)___________down the street when it began to rain. 7.At this time last year, I (attend)__________an English course. 8.Jim (stand) ________...
Đọc tiếp

Put the correct form

1) He (plant)........ trees in the garden at 4 pm yesterday.

2. while They (work)...... she came yesterday.

3. She (paint)........ a picture while her mother (make )........a cake.

4.Anne was riding her bike to school when Peter saw her yesterday.

5. While she (type)........ a letter his boss (go)..... into the room.

6.I (walk)___________down the street when it began to rain.

7.At this time last year, I (attend)__________an English course.

8.Jim (stand) ________ under the tree when he heard an explosion.

9.The boy fell and hurt himself while he (ride)_________ a bicycle

10.The tourist lost his camera while he (walk) _____ around the city

11.While I (study)_____in my room, my roommate (have)________ a party in the other room.

12.Mary and I (dance)_________ the house when the telephone rang

13.Matt and sarah (have) ......some differnces in their relationship lately.

14.She (not/come)....... here for a long time

15.I just (see) ....Andrew and he says he already (do) .... about half of the plan.

ĐIỀN A/AN HOẶC THE HOẶC X

1. This morning I bought….newspaper and …….magazine. …….newspaper is in my bag but I don’t know where I put…..magazine.

2.I like .......skiing

3...... Chinese rarely use forks in the meal

4. Hanoi is .......capital of Vietnam

5.Monday is ...... first day of a week

6. I usually play.... chess with my father at week ends

1
19 tháng 8 2020

Put the correct form

1) He was plainting trees in the garden at 4 pm yesterday.

2. while They were woking she came yesterday.

3. She was painting a picture while her mother was making a cake.

4.Anne was riding her bike to school when Peter saw her yesterday.

5. While she was typing a letter his boss went into the room.

6.I (walk)______was walking_____down the street when it began to rain.

7.At this time last year, I (attend)___was attending_______an English course.

8.Jim (stand) ___was standing_____ under the tree when he heard an explosion.

9.The boy fell and hurt himself while he (ride)_was riding________ a bicycle

10.The tourist lost his camera while he (walk) _was walking____ around the city

11.While I (study)__was studying___in my room, my roommate (have)__was having______ a party in the other room.

12.Mary and I (dance)__were dancing_______ the house when the telephone rang

13.Matt and sarah (have) ...have had..some differnces in their relationship lately.

14.She (not/come)..hasn't come..... here for a long time

15.I just (see) ..have seen..Andrew and he says he already (do) ..has done.. about half of the plan.