. ______ smoking, he would not have got cancer in the lung.

试卷相关题目

• 1-I wonder why Mr Green hasn't showed up at the meeting yet. -I'm not sure, but he _______ in a traffic jam driving here.

  A.could be stuck

  B.might stuck

  C.might have been stuck

  D.must have stuck

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• 2'The interest __________ be divided into five parts, according to the agreement made by both sides,' declared the judge.   

  A.may

  B.should

  C.must

  D.shall

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• 3—Catherine, I have cleaned the room for you. —Thanks. You _____it. I could manage it myself.

  A.needn't do

  B.needn't have done

  C.mustn't do

  D.shouldn't have done

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• 4If you want to borrow a football after school, your student card _________ here.

  A.has to leave

  B.must leave

  C.has to be left

  D.must be left

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• 5We were all surprised when he made it clear that he _________ office soon.

  A.leaves

  B.would leave

  C.left

  D.had left

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• 6—I'll tell Mary about her new job tomorrow. —You ________ her last week.

  A.ought to tell

  B.would have told

  C.must tell

  D.should have told

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• 7—Shall I tell John about it？ —No, you _____ ,I've told him already.  

  A.needn't

  B.won't

  C.mustn't

  D.shouldn't

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• 8I didn't hear the phone. I ________ asleep.

  A.must be

  B.must have been

  C.should be

  D.should have been

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• 9She is late. What _____have happened to her?

  A.should

  B.must

  C.can

  D.would

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• 10The teacher_____have thought Johnson was worth it or she wouldn't have wasted time on him,I suppose.

  A.should

  B.can

  C.would

  D.must

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