It has been announced that all the students ______ put on the masks before going to school in case they are infected with SARS virus.

试卷相关题目

• 1He seized me by the hand and _____ let me go.

  A.does not

  B.did not

  C.would not

  D.had not

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• 2---I'm so tired from the homework. ---Then you ______  as well stop to listen to light music.

  A.need

  B.may

  C.will

  D.can

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• 3You ________ tell anybody else about it; this is a secret between us.

  A.don't

  B.needn't

  C.mustn't

  D.won't

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• 4.－Is there any flight to Tokyo today? －I think there ______, for the weather is too bad.

  A.mustn't

  B.mightn't be

  C.needn't be

  D.can't be

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• 5 Jenny ______ with him at that time, for I was having dinner with her in my home.

  A.can't have been

  B.mustn't have been

  C.must be

  D.may be

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• 6Is it John that is being scolded in the manager's office? No. It ______ be him. I saw him on the way just now.

  A.mustn't

  B.won't

  C.can't

  D.may not

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• 7No student _________ go out of the school campus after ten o'clock at night without permission, according to the school regulations.

  A.will

  B.must

  C.may

  D.shall

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• 8—Hi, Tom, Any idea where Jane is? — She ________ in the classroom. I saw her there just now.

  A.shall be

  B.should have been

  C.must be

  D.might have been

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• 9This is her only request that the room ______ after being used.

  A.be cleaned

  B.is cleaned

  C.will be cleaned

  D.would be cleaned

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• 10To compete more effectively with others，it is time that university students ______ to study abroad after graduation．

  A.tried

  B.are trying

  C.try

  D.will try

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