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II. Choose the correct answers A, B, C, or D to finish the sentences.
1. If you press the button, what ____________?
A. would happen B. happens C. will happen D. happen
2. If I ____________ time, I ____________ you with planting that tree.
A. had - helped B. will have – will help C. have – will help D. have – don’t help
3. We can reuse things like____________.
A. envelopes B. plastic bottles C. cloth bags D. glasses
4. People throw away millions of____________ every year.
A. old car tires B. drink cans C. old newspapers D. household wastes
5. Will you____________ please?
A. open the garbage can B. hang the clothes
C. empty the dustbin D. collect the bottles
6. Billions of____________ are thrown away every year all over the world.
A. cans B. bottles C. cups D. glasses
7. Things like____________ can be reused.
A. plastic bags B. fabrics C. paper toys D. envelopes
8. We can recycle old, clothes and make them into____________.
A. compost B. leather C. shopping bags D. jogging shoes
9. If you go out with your friends tonight, I ____________ the film on TV.
A. watch B. watched C. am watching D. will watch
10. If she ____________, we will miss the bus.
A. not hurries B. doesn’t hurry C. won’t hurry D. don’t hurry
11. I __________ to London if I don’t get a cheap flight.
A. will drive B. won’t drive C. drive D. don’t drive
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
22. If people ____________ public transport, there will be less pollution.
A. use B. will use C. can use D. used
23. If I pass this exam, I ____________ to the university next summer.
A. went B. have gone C. will go D. goes
24. We will be late unless we ____________ now.
A. leave B. don’t leave C. had left D. have left
25. You will get a good seat if you ____________ first.
A. came B. come C. have come D. will come
26. What can we do ____________ air pollution?
A. reduce B. to reduce C. reducing D. to reducing
27. If people turn off all electric appliances in one hour all over the world, they can save lots of ____________.
A. electric B. electrical C. electrician D. electricity
28. Don’t throw rubbish ____________ the river because you will make it dirty.
A. into B. up C. at D. of
29. If you have old clothes, will you give them to those ___________?
A. needs B. to need C. in need D. for needing
30. Please collect all recyclable materials, and take them to the ____________ factory.
A. recycle B. recycled C. recycling D. recyclable
31. Your school is so green with lots of trees!
A. That's a good idea. B. Congratulations!
C. There are many trees here. D. Thank you. We're planting some more flowers.
32. If you don't do exercise, you won't be healthy.
A. I don't want to B. I'm OK
C. Thank you. I'll exercise more. D. That's fine.
33. Wow! Your new bike is so cute.
A. I don't know B. How about riding a bike?
C. Yes. My uncle gave me yesterday. D. We can cycle to school
34. Don't eat much sweet food. It harms your teeth.
A. I see. Thank you B. I'm going to the dentist.
C. I love sweets D. How about going to the dentist?
35. What a lovely hat!
A. What is that? B. Thanks. I made it myself.
C. I don't know. D. Where is my bag?