At a construction site in our city the workers have uncovered an ancient wall that_______ to keep the enemy out of the city, but it requires further evidence.

试卷相关题目

• 1If you won't do as I tell you, you _____ go to the dance.

  A.won't

  B.shan't

  C.shouldn't

  D.mustn't

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• 2Lifting off at sunrise, the hot air balloon goes wherever the wind _____ blow.

  A.may

  B.must

  C.need

  D.should

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• 3— Lily hasn't come back yet.— Well, where _____ she have gone on such a night?

  A.must

  B.would

  C.could

  D.will

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• 4We can hardly believe that an intelligent person like Daniel _____ be asking such a silly question.

  A.should

  B.might

  C.must

  D.could

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• 5— Mum, I’ve been studying English since 8 o’clock. ____ I go out and play with Tom for a while?   — No, I’m afraid not. Besides, it’s raining outside now.

  A.Can’t

  B.Wouldn’t

  C.May not

  D.Won’t

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• 6—These grapes look really beautiful.—They ______ ! See the price, $ 3.99 a pound. Too expensive, aren't they?

  A.would

  B.could

  C.might

  D.should

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• 7—Tom is never late for work. Why is he absent today?   —Something _____ to him.

  A.must happen

  B.should have happened

  C.could have happened

  D.must have happened

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• 8The police still   haven't found the lost child, but they're doing all they  ____.     

  A.can

  B.may

  C.must

  D.should

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• 9If you _____   smoke, please go outside.      

  A.can

  B.should

  C.must

  D.may

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• 10— Will my son be all right soon, doctor? — Well, he _____ be, if he takes these tablets.

  A.may

  B.must

  C.should

  D.can

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