— Who____ it be that is knocking at the door? — It ____ be Father, but I"m not sure.

试卷相关题目

• 1It"s nearly eight o"clock. I must hang up and get down to work. My boss _____ be here at any moment.

  A.should

  B.must

  C.could

  D.would

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• 2We ______ in the office.

  A.aren'tpermittedsmoke

  B.aren'tpermittedsmoking

  C.don'tpermitsmoking

  D.don'tpermittosmoke

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• 3She is a bit shy and _______ stand up and answer the teacher"s questions.   

  A.dares not

  B.doesn"t dare

  C.dare not to

  D.dares not to

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• 4The coat _________me.

  A.isn"t fit

  B.doesn"t fit

  C.isn"t fit to

  D.doesn"t fit to

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• 5Being physically examined for free twice a year is what every clerk _____ be ensured in any company of the state.

  A.must

  B.shall

  C.ought to

  D.need

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• 6You _____ buy a gift, but you can if you want to.

  A.must

  B.mustn"t

  C.have to

  D.don"t have to

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• 7I _____ have watched that movie-it"ll give me horrible dreams.

  A.shouldn"t

  B.needn"t

  C.couldn"t

  D.mustn"t

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• 8My book was here a second ago but now it"s missing. Someone _____ a joke on me.

  A.must be playing

  B.must play

  C.can"t have played

  D.can"t play

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• 9Most of the big hotels in Shanghai were full last week, but finally we _____ find a room in a small one.

  A.ought to

  B.could

  C.were able to

  D.might

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• 10John _____ have said such a thing about you. He never speaks ill of you behind your back.

  A.needn"t

  B.might not

  C.can"t

  D.mustn"t

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