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choose the best answer(A, B, C or D)
1.If we_waste poper, we will save a lot of trees.
a.repeat b.recycle c.rewrite d.remark
2.you can save money while shopping by only buying_you need.
a.what b.this c.it d.that
3.what can we do_air pollution?
a.reduce b.to reduce c.reducing d.to reduing
4.why do you often forget to_the lights when you go of the classroom?
a.turn on b. turm off c.close d.shut down
5.if we plant more trees in the schoolyrd, the school will become a_place.
a.darker b.greener c.dirtier d.more polluted
6.do you think we should put a_bin in every classroom in order to keep it clean?
a.reusable b.recycled c.recying d.recyclable
7.my brother and i will give last year's clother to-instead of throwing them away.
ashop b.people c.chairity d.survey
8.next week our class is having a discussion about finding_ways to reuse old items before throwing them away.
a.interesting b.surprising c.useless d.creative
9.it is a good idea to_our clothes with our friends or cousin.
a.change b.swap c.turn d.send
10.if people turn off all electric appliances in one hur all over the worrl, they can save lots of_
a.electric b.electrical c.electrician d.electricty
11.you should put the food in a reusable box_plastic bags.
a.by b.instead of c.because of d.without
12.if we use_paper, we will save a lot of trees.
a.fewer b.less c.more d.much
13.don't throw rubbish intothe river becayse you will become_
a.greener b.dirty c.cleaner d.fresher
14.if there is a rubbish bin in every class, the classroom will become_
a.harmful b.lighter c.dirtier d.cleaner
15.if we all use_bags, we will help the environment.
a.new b.cheap c.reusable d.reduced
16.this newspaper is made of_paper.
a.recycle b.recycled c.old d.waste
17.please collect all the recyclable materials, and take them t the_
a.recycle b.recycled c.recyclable d.recycing
18.reduce, reuse, recycle is said to encourage people to waste less, bu using less and using things again, in order to_
a.harm b.damage c.pollute d.protect
19.these three Rs_reduce, reuce and recycle.
a.stwnd up b.stand for c.ask for d.means
20.if you have old clothes, will you give them to those_?
a.needs b.to need c.for needing d.in need
choose the best answer(A, B, C or D)
1.If we_waste poper, we will save a lot of trees.
a.repeat b.recycle c.rewrite d.remark
2.you can save money while shopping by only buying_you need.
a.what b.this c.it d.that
3.what can we do_air pollution?
a.reduce b.to reduce c.reducing d.to reduing
4.why do you often forget to_the lights when you go of the classroom?
a.turn on b. turm off c.close d.shut down
5.if we plant more trees in the schoolyrd, the school will become a_place.
a.darker b.greener c.dirtier d.more polluted
6.do you think we should put a_bin in every classroom in order to keep it clean?
a.reusable b.recycled c.recying d.recyclable
7.my brother and i will give last year's clother to-instead of throwing them away.
ashop b.people c.chairity d.survey
8.next week our class is having a discussion about finding_ways to reuse old items before throwing them away.
a.interesting b.surprising c.useless d.creative
9.it is a good idea to_our clothes with our friends or cousin.
a.change b.swap c.turn d.send
10.if people turn off all electric appliances in one hur all over the worrl, they can save lots of_
a.electric b.electrical c.electrician d.electricty
11.you should put the food in a reusable box_plas bags.
a.by b.instead of c.because of d.without
12.if we use_paper, we will save a lot of trees.
a.fewer b.less c.more d.much
13.don't throw rubbish intothe river becayse you will become_
a.greener b.dirty c.cleaner d.fresher
14.if there is a rubbish bin in every class, the classroom will become_
a.harmful b.lighter c.dirtier d.cleaner
15.if we all use_bags, we will help the environment.
a.new b.cheap c.reusable d.reduced
complete sentences:
1. If we .........recycle......... waste paper, we will save a lot of trees.
2. You can save money while shopping by only buying ....what..... you need.
3. what can we do ..........to reduce... air pollution?
4. why do you often forget to......turm off.. the lights when you go out of the classroom?
5 If we plant more trees in the schoolyard, the school will become a....greener..... place.
The environment is senously polluted today. To protect the environment, we should reduce the plastic bags, bottles and cans. We should put the garbage in a certain place or in the recycling bins. Remember save and recycle paper so that we can avoid cutting a lot of trees in the forest. That means we can reduce the soil pollution. It would be better if we go to work or school by bike or walk, we can save energy and keep the air cleaner. Or we can reuse and recycle things. And we should not throw trash into the rivers and lakes to keep the water not polluted. Do these things we will protect the environment and we will live healthier life.
1. How is the environment today? The environment is senously polluted today.
2. Where should we put the garbage? We should put the garbage in a certain place or in the recycling bins.
3. Why must we save and recycle paper? We must save and recycle paper so that we can avoid cutting a lot of trees in the forest.
4. Will we live healthier life if we keep the environment clean? Yes, we will.
Read the passage and answer the questions.
The environment is senously polluted today. To protect the environment, we should reduce the plastic bags, bottles and cans. We should put the garbage in a certain place or in the recycling bins. Remember save and recycle paper so that we can avoid cutting a lot of trees in the forest. That means we can reduce the soil pollution. It would be better if we go to work or school by bike or walk, we can save energy and keep the air cleaner. Or we can reuse and recycle things. And we should not throw trash into the rivers and lakes to keep the water not polluted. Do these things we will protect the environment and we will live healthier life.
1. How is the environment today?
=> The environment is senously polluted today
2. Where should we put the garbage?
=> We should put the garbage in a certain place or in the recycling bins.
3. Why must we save and recycle paper?
=> Remember save and recycle paper so that we can avoid cutting a lot of trees in the forest.
4. Will we live healthier life if we keep the environment clean?
=> Yes , we will
1, Yes, it is
2, We shouldn't throw trash into the rivers and lake to keep the water unpolluted
END. 
1. Yes, it is.
2. We shouldn't throw trash into the the rivers and the lake to keep the water unnpolluted.
GOOD LUCK !
l,1. If the river is polluted, fish will die
2. We should try to recycle rubbish
3. Don't throw the plas bags, because you can reuse them
4. You should use reusable bags when you go shopping
5. If people recycle more, there will be less pollution
II. Write conditional sentences from these statements.
1. We will plant more trees. The air will be fresher.
If......................................We plant more trees, The air will be fresher..............................................................
2. We will use fewer cars. We will reduce pollution.
If.............We use fewer cars,we will reduce pollution.........................................................................................
3. We will cycle to school every day. We will keep fitter.
If.............We will cycle to school every day,we will keep fitter........................................................................
4. We will use recycled products. We will save money.
If.............. We will use recycled products,we will save money.....................................
5. The boy eats so many green apples. He will be ill.
If..................The boy eats so many green apples,he will be ill...........................
6. We will use reusable bags for shopping. We will reduce waste.
If.................We will use reusable bags for shopping,we will reduce waste..............................................
7. She doesn't hurry. She is late for school.
If.............She doesn't hurry,she will be late for school................................................................................................
Choose the best answer for each of the following sentences.
1. We should use reusable water bottles_________of plastic ones.
A. because B. instead C. despite D. however
2. Walking to school will help ________ air pollution.
A. refill B. reuse C. recycle D. reduce
3. The prefix re-in the world reuse means ________.
A. again B. none C. for D. against
4. We should go to school by bike to _________ the energy.
A. save B. protect C. pollute D. spray
5. One of the bad things about ________ is that it can make fish die.
A. noise B. soil pollution
C. water pollution D. air pollution
6. We should find creative ways to reuse old items before _________ them away.
A. breathing B. washing C. hearing D. throwing
7. If there is an earthquake, the villagers ________ in the shelter.
A. will stay B. stay C. stayed D. would stay
8. The town will flood if there ________ a downpour.
A. would be B. is C. was D. will be
9. If the weather _________ good, Linh __________ out with us.
A. is - goes B. will be - goes
C. is - will go D. will be - will go
10. The bear _________ you if you __________ it.
A. attacks - provoke B. will attack - provoke
C. attacks - will provoke D. will attack - will provoke
IV. Fill in each blank with One correct word
35 you can take these bottles to the factory to recycle them
36 If we turn off the lights when are not using them, we will save a _
37 If we recycle old newpaper, we will save a lot of trees
38 If we walk or cycle to school, we will improve our health and reduce pollution
39 recycling starts when we put rubbish such as empty bottles and cans in the recycling bin
It is quite pointless to call her
-> There is no..point in calling her.
there is no point in doing something
1. He is ___succesfully_ in making the machines ( SUCCESS )
2. People in the countryside is __friendly___ ( FRIENDLY )
3. My sister speaks English __better__ than Iam ( GOOD )
4. What is the correct ___pronunciation_ of this word? ( PRONOUCE )
5. There is room for further _improvement___ in your English ( IMPROVE )
6. She actively ___paripates___ in social work ( PARIPATION)
7. Last year we had an ___enjoyable__ summer holiday. ( ENJOY )
8. He was __proud__ of his chievements in the field of politíc ( PRIDE )
9. The __importance___ of the project made me tense ( IMPORTTANT )
10. It's a very simple question. You can __easily__ answer it ( EASY )