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Ddề: chọn đáp án phù hợp nhất

16. “Why do you often forget to _______ the lights when you go out of the classroom?”
A. reduce B. turn off C. close D. shut down
17. “What can we do _______ air pollution?”
A. reduce B. to reduce C. reducing D. to reducing
18. This newspaper is made of _______ paper.
A. recycle B. recycled C. old D. waste
19. If we all use _______ bags, we’ll help the environment.
A. new B. cheap C. reusable D. reduced
20. These three Rs _______ reduce, reuse and recycle.
A. stand up B. stand for C. ask for D. means
21. If there is a rubbish bin in every class, the classroom will become _______.
A. harmful B. lighter C. dirtier D. cleaner
22. If I _______ this exam, I’ll go to the university next summer.
A. pass B. to pass C. had passed D. passed
23. “Here’s my phone number.” - “Thanks, I _______ you a call if I _______ some help.”
A. will give / will need B. would give/ needed
C. give/need D. will give/ need
24. I _______ you if you need my help.
A. am helping B. could help C. will help D. helped
25. If we use _______ paper, we will save a lot of trees.
A. fewer B. less C. more D. much
26. We might have a _______ TV to watch TV programmes from space.
A. wireless B. remote C. automatic D. local
27. We might have robots _______ our meals.
A. cook B. to cook C. cooking D.to cooking
28. Super cars will _______ water in the future.
A. go by B. run at C. run on D.travel by
29. When _______Vietnamese people celebrate the New Year?
A. will B. are C. do D. is
30. Our dog is amazing - it _______ sing!
A. should B. must C. can D. might
31. Bring your umbrella - it _______ rain later.
A. can B. might C. must D. should
32. All students _______ wear their uniforms to school.
A. should B. will C. may D. must
33. Young people _______ obey their parents.
A. must B. will C. may D. ought to
34. Laura, you and the kids just have dinner without waiting for me. I _______ work very hard
today.
A. can B. should C. may D. would
35. I _______ be delighted to show you round the factory.
A. ought to B. would C. might D. can