She is late. What _____have happened to her?

试卷相关题目

• 1I 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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• 2—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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• 3—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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• 4. ______ smoking, he would not have got cancer in the lung.

  A.Was he given up

  B.Had he given up

  C.Did he give

  D.If he gave up

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• 5-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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• 6The 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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• 7  ---How's your tour around the North Lake? Is it beautiful? ---It ________ be, but it is now heavily polluted.

  A.will

  B.would

  C.should

  D.must

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• 8--Don't be so disappointed.I'm sure that you can do better in the next exam. --Yes, but I ____ this time.

  A.should be more careful

  B.could be more careful

  C.should have been more careful

  D.must have been more carefully

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• 9You _________ me, but since you have,I'll keep it secret from others.

  A.needn't have told

  B.didn't need to tell

  C.wouldn't have told

  D.couldn't have told

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• 10Some people who don't like to talk much are not necessarily shy; they _____ just be quiet people.

  A.must

  B.may

  C.should

  D.would

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