You（  ）starting you work .It's already eight o'clock。

试卷相关题目

• 1They（  ）working in the workshop.Let's go there。

  A.must be

  B.might be

  C.can be

  D.should be

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• 2Apart from the sun itself, the sunny side of Mercury（  ）the hottest place in the solar system。

  A.mustnot lie

  B.must be

  C.can not be

  D.ought to be

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• 3The book（  ）in the drawer.it can’t be anywhere else。

  A.ought to be

  B.must have been

  C.must be

  D.can be

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• 4“May I take the instrument out of the laboratory?” “No, you（  ）。”

  A.may not

  B.can not

  C.mightnot

  D.must not

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• 5We（  ）make sure that our drinking water Is clean。

  A.can

  B.may

  C.will

  D.must

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• 6Nobody（  ）go near the active zone of nuclear reactors。

  A.may

  B.can

  C.must

  D.should

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• 7I am sorry that she（  ）be so careless。

  A.may

  B.can

  C.must

  D.should

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• 8You（  ）have the reference book as soon as I finish it。

  A.must

  B.ought to

  C.shall

  D.need

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• 9He（  ）come to see me on Sunday during his stay here last year。

  A.might

  B.could

  C.should

  D.would

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• 10You（  ）come over yourself.You could have given me a ring instead。

  A.needn't hove

  B.shouldn't have

  C.can't have

  D.mustn't have

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