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

试卷相关题目

• 1“I _________ her a long time ago,” he doubted, “She doesn't look at all familiar.”

  A.might have met

  B.should have met

  C.might meet

  D.should meet

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• 2To forbid the cheating strictly in this important exam, the authorities have released a rule that students _________ bring any reference books and stationery into their classrooms.

  A.will not

  B.shall not

  C.might not

  D.need not

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• 3--Is Professer Smith giving the speech today? --It ________ be him. He is abroad right now.

  A.mustn't

  B.needn't

  C.won't

  D.can't

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• 4Facts prove that the world's economic development is not a win-lose game but one in which all ______ be   winners.

  A.shall

  B.can

  C.must

  D.will

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• 5The company is quite honest and guarantees the new product ______ be under warranty for three years.

  A.should

  B.shall

  C.will

  D.can

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• 6It was so dark outside that the little child ________ go out by himself.

  A.dare not to

  B.dared

  C.dares

  D.didn't dare to

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• 7---Did Daniel take my football away? ---No, I think it _____ be him, for he doesn't play football at all.

  A.must

  B.would

  C.can't

  D.shouldn't

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• 8—Catherine,  I have cleaned the room for you. —Thanks. You_______ it.  I could manage it myself.

  A.needn't do

  B.needn't have done

  C.mustn't do

  D.shouldn't have done

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• 9—Tom graduated from college at a very young age. —Oh,he__________have been a very smart boy then.

  A.could

  B.should

  C.might

  D.must

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• 10--- The research on the new bird flu virus vaccine is challenging and demanding. Who do you think can do the job? ---____ my students have a try?

  A.Shall

  B.Must

  C.Will

  D.May

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