--- Where are the students ? How could they keep us waiting for so long?  --- They started an hour ago and they _______ be here in fifteen minutes, I think.

试卷相关题目

• 1 The meeting is important and he _________ be here in time --he started early enough.

  A.can

  B.might

  C.should

  D.will

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• 2.--- Do you know Uncle Tom is crazy about gardening? ---Sure. He ____ his flowers in the garden now.

  A.may be watering

  B.must be watering

  C.could look after

  D.ought to watch

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• 3Why _____ you always interrupt me?

  A.must

  B.may

  C.can

  D.will

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• 4—I didn't see her yesterday. —Of course, you _____, because she had gone to a trip.

  A.can't

  B.may not have

  C.can't have

  D.mustn't have

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• 5The thief ________ in from the kitchen window as the door was closed.

  A.may climb

  B.must have climbed

  C.could have climbed

  D.should have climbed

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• 6Mr. Bush is on time for everything. How _______ it be that he was late for the opening ceremony ?

  A.can

  B.should

  C.may

  D.must

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• 7 A chance conversation with a stranger _________ lead a person to discover how little is known of other religions.

  A.may

  B.should

  C.must

  D.shall

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• 8The pilot kept calm in the terrible storm, otherwise the accident ______.

  A.couldn't be prevented

  B.mustn't have prevented

  C.wouldn't have been preventedD.shouldn't prevent

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• 9 I _____ you would come today. You _____ me a phone call in advance.

  A.don't expect; should have given

  B.didn't expect; could have given

  C.hadn't expected; ought to giveD.didn't expect; can have given

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• 10 —You know that you were driving at 100 kilometers per hour, don't you? —No, officer, I _____ have been. This car can't do more than 80.

  A.mustn't

  B.shouldn't

  C.may not

  D.couldn't

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