You __________be tired—you've only been working for an hour.

试卷相关题目

• 1(2013·湖南长沙四校二模)—Is the letter from your mother? —Yes.But she ________the letter herself，because she doesn't even know one word.

  A.needn't have written　

  B.can't have written

  C.might not have written

  D.should not have written

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• 2Must I wait till you come back?  No, you ______.

  A.mustn't

  B.needn't

  C.can't

  D.won't

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• 3(2014·衡水中学月考)You________scold such a pupil who always keeps silent so seriously that you________hurt him.

  A.should；can　

  B.may；will

  C.mustn't；may　

  D.can't；must

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• 4It ______ be the vocabulary that caused you the problem in the exercise because you know a lot of words.

  A.couldn't

  B.may

  C.should

  D.needn't

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• 5—I heard they went skiing in the mountains last winter. —It ______ true because there was little snow there.

  A.may be not

  B.won't be

  C.couldn't be

  D.mustn't be

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• 6Why _______ you be so stubborn? You should think over my advice on this matter.

  A.may

  B.shall

  C.dare

  D.must

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• 7Whether dying patients ______ be helped to end their lives is a tough moral question.

  A.must

  B.should

  C.might

  D.would

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• 8It ________ be the postman at the door.It's only six o'clock.( 2011·江西)

  A.mustn't

  B.can't

  C.won't

  D.needn't

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• 9If you ______ smoke, please go outside.

  A.can

  B.should

  C.must

  D.may

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• 10—Is it necessary to look up every new word when I come across it in reading? —No. You ________， because you are likely to guess the meaning from the context.

  A.can't

  B.mustn't

  C.don't have to

  D.ought not to

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