Question 3: I come.dinner. Just as it was ready, Chris and Jane phoned to say that they couldn’t
A. needn’t cook B. didn’t need to cook
C. needn’t have cooked D. didn’t need cooking
Đáp án C
needn’t cook: ko cần nấu
didn’t need to cook: đã ko cần nấu (diễn tả 1 hành động ko cần thiết phải làm trong qk)
needn’t have cooked: ko cần đã nấu (ko cần làm 1 hành động nào đó, nhưng thực tế là đã làm)
didn’t need cooking (đây là dạng bị động): ko cần được nấu
Question 2: For people to be able to survive in groups, individuals had to cooperate with each other, rather than .
A. act alone B. alone act C. act lonely D. lonely act
Question 1: The production of different kinds of artificial materials conservation of our natural resources.
A. is B. have been C. are D. were
Question 90: The report says that over five years up to 2013, the almost a quarter of the US as land was converted to grow corn for ethanol.
A. crowd B. diverse C. amount D. abundance
Question 89: Generic medications are just as , and much less expensive.
A. effective as brand-name products B. brand-name products effective
C. brand-name products as effective D. effectively brand-name products
Question 88: With only two days of negotiating time left, hope of progress was quickly evaporating at the climate talks. A. official B. office C. officially D. officious
Question 87: Researchers have discovered 2,000 types of new plants but also say are at risk.
A. many B. much C. the other D. variety
Question 86: What you say is true, but you could have it more tactfully.
A. phrased B. talked C. observed D. remarked
Question 85: Therapists are currently using mental imagery in the hope that in the treatment of cancer.
A. it could use helpfully B. its proof to help
C. it might prove helpful D. its help to aid
Question 84: The of life forms on the earth makes zoology an interesting area of study.
A. size B. wealth C. diversity D. crowd
Question 83: We know everything about the newest member of our group; she was very
A. expensive B. secretive C. artistic D. reserved
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