. The biggest problem for most plants, which _____ just get up and run away when threatened, is that animals like to eat them.

试卷相关题目

• 1 My demand is that the information referred to in my report _____ to Mr. Brown without delay.

  A.to be e-mailed

  B.e-mailed

  C.be e-mailed

  D.being e-mailed

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• 2The police still haven’t found her, but they’re doing all they _____.

  A.may

  B.can

  C.must

  D.will

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• 3— I think I’ll give Bob a ring. — You __________. You haven’t been in touch with him for ages.

  A.will

  B.may

  C.have to

  D.should

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• 4If I_____plan to do anything I wanted to ,I’d like to go to Tibet and travel through as much of it as possible

  A.would

  B.could

  C.had to

  D.ought to

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• 5You _________ pay too much attention to your reading skill, as it is so important.

  A.cannot

  B.shouldn’t

  C.mustn’t

  D.needn’t

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• 6— What does the sign over there read? —“No person _______ smoke or carry a lighted cigarette，cigar or pipe in this are

  A.”A.will

  B.may

  C.shall

  D.must

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• 7When he was there, he ______ go to that coffee shop at he street corner after work every day.

  A.would

  B.should

  C.had better

  D.might

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• 8He ______ the test again, in which case, his mother will be very disappointed.  

  A.might fail

  B.must have failed

  C.should fail

  D.could have failed

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• 9. —What do you think we can do for our aged parents? —You __________ do anything except to be with them and be yourself.

  A.don’t have to

  B.oughtn’t to

  C.mustn’t

  D.can’t

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• 10— It _______ be Jack who is in the office. — No, it _______ be him. I saw him off at the airport half an hour ago.

  A.can’t ; can’t

  B.must; can’t

  C.must; mustn’t

  D.may; mustn’t

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