The manager ______ the worker how to do it, or the accident couldn’t have happen
题型:不详难度:来源:
The manager ______ the worker how to do it, or the accident couldn’t have happened.A.couldn’t have told | B.ought to tell | C.could have told | D.mustn’t have told |
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答案
A |
解析
考查情态动词的用法: A. couldn’t have told过去不可能告诉了,B. ought to tell应该告诉 C. could have told本可以告诉却没有告诉,D. must接完成式不用否定,句意是:经理不可能告诉工人怎么做的,否则事故就不会发生了。选A。 |
举一反三
It’s hard to say what kind of person he is. Sometimes he is very nice; at other times he _______ be very cold. |
, the forest fire would have been discovered much earlier.A.But for their care | B.Had they been more careful | C.Without their care | D.If they were careful |
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-- Oh, my god! I just missed the last bus back home. -- That’s really bad. I’m sure you ____ it, but you were not in a hurry.A.could catch | B.had caught | C.could have caught | D.would catch |
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—Lily went to see the movie alone. —If she _____ me about it, I would have gone with her.A.should tell | B.tells | C.told | D.had told |
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But for your timely help, the boy ______ his life.A.must have lost | B.may lose | C.might have lost | D.should lose |
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