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I. Choose the best answer to complete each of the following sentences.
1. We can reuse things like_______.
A. envelopes
B. plastic bottles
C. cloth bags
D. glasses
2. People throw away millions of_________every year.
A. old car tires
B. drink cans
C. old newspapers
D. household wastes
3. Will you_________, please?
A. open the garbage can
B. hang the clothes
C. empty the dustbin
D. collect the bottles
4. Billions of_________are throw away every year all over the world.
A. cans
B. bottles
C. cups
D. glasses
5. Things like___________can be reused.
A. plastic bags
B. fabrics
C. paper toys
D. envelopes
6. We can recycle old clothes and make them into_________.
A. compost
B. leather
C. shopping
D. jogging shoes
7. Don't throw that old___________away. We can decorate it to make a flower vase.
A. can
B. glass
C. bottle
D. paper
8. I think you should_________to save water.
A. have a bath
B. go swimming
C. heat water
D. have a shower
9. We should__________to prevent pollution.
A. use reusable bags
B. plant more trees
C. turn off the lights
D. save electricity
10. We will buy_________for our class.
A. water bottles
B. recycling bins
C. energy-saving lights
D. refillable pencils
theo mk thì :
1-b
2-d
3-d
4-a
5-a
6-c
7-c
8-c
9-a
10-c
đây là theo mk nghĩ thôi nha
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 !
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
matching
| A | B |
| 1. If you plant more trees, |
A. If you throw all waste into rivers? |
| 2. What will you do | B. remember to turn off all the lights. |
| 3. If you want to save energy, | C. we can pollute the soil. |
| 4. What will happen | D. the air will become fresher. |
| 5. If we use insect spray, | E. if you want to keep environment green? |
1.D 2.E 3.B 4.A 5.C
1,WE should have recycling bín in each classroom for .............things
a,use b,reuse c,reused d,reusable
2,All of the machines will have a special card .................
a,start b,to start c,starting d, to starting
3.Plant more trees in the schoolyard because they will provide shade and ..............the atmosphrere fresher
a,do b,make c,have d,use
4,Many products are now helping you........your energy bills
a,reduce b,reuse c,recycle d,cut down
5,It takes a lot of energy to keep cool,so don't ............the fridge door open or putting hot things inside
a,make b,have c,leave d, stop
27. If we all use ______ bags, we'll help the environment.
A. reusable B. new C. beautiful D. dirty
28. Our family ______ to the new house next week.
A. will move B. moves C. move D. moved
29. If we ______ trees, our school ______ greener.
A. will grow/ is B. grow/ will be C. will grow/ are D. grow/ is
30. People ______ the environment if they ______ old items.
A. saved/ use B. save/ will use C. will save/ use D. save/ use
31. If they ______ an airport here, it ______ very noisy.
A. builds/ be B. build/ will be C. built/ is D. will build/ is
32. If the weather _______ sunny, I _______ to the zoo tomorrow.
A. is / go B. is / will go C. are/ go D. are / will go
33. Last night, I ________ out for dinner with my friends.
A. went B. go C. am going D. goes
34. The robot will help me to ______ the dogs and cats.
A. go B. feed C. swim D. make
35. What can an ________ helps us to do? - It can help us to cook rice.
A. fridge B. smart TV C. computer D. electric cooker
12. Don't throw that old____________ away. We can decorate it to make a flower vase.
A. can B. glass C. bottle D. paper
13. I think you should____________ to save water.
A. have a bath B. go swimming C. heat water D. have a shower
14. We should____________ to prevent pollution.
A. use reusable bags B. plant more trees C. turn off the lights D. save electricity
15. We will buy____________ for our class
A. water bottles B. recycling bins C. energy-saving lights D. refillable pencils
16. If we plant more trees in the schoolyard, the school will become a ____________ place.
A. darker B. dirtier C. greener D. more polluted
17. If we all use ____________ bags, we will help the environment.
A. new B. cheap C. reusable D. reduced
18. Plastics, glasses and chemicals underground are harmful ____________ plants and animals.
A. to B. of C. in D. at
19. These three Rs ____________ reduce, reuse, and recycle.
A. stand up B. stand for C. ask for D. means
20. Because plastics bags are very hard to ____________, they will cause pollution.
A. dissolve B. wrap C. tear D. collect
21. If there is a rubbish bin in every class, the classroom will become ____________.
A. harmful B. dirtier C. cleaner D. lighter
12. Don't throw that old____________ away. We can decorate it to make a flower vase.
A. can B. glass C. bottle D. paper
13. I think you should____________ to save water.
A. have a bath B. go swimming C. heat water D. have a shower
14. We should____________ to prevent pollution.
A. use reusable bags B. plant more trees C. turn off the lights D. save electricity
15. We will buy____________ for our class
A. water bottles B. recycling bins C. energy-saving lights D. refillable pencils
16. If we plant more trees in the schoolyard, the school will become a ____________ place.
A. darker B. dirtier C. greener D. more polluted
17. If we all use ____________ bags, we will help the environment.
A. new B. cheap C. reusable D. reduced
18. Plastics, glasses and chemicals underground are harmful ____________ plants and animals.
A. to B. of C. in D. at
19. These three Rs ____________ reduce, reuse, and recycle.
A. stand up B. stand for C. ask for D. means
20. Because plastics bags are very hard to ____________, they will cause pollution.
A. dissolve B. wrap C. tear D. collect
21. If there is a rubbish bin in every class, the classroom will become ____________.
A. harmful B. dirtier C. cleaner D. lighter\