He ______ have completed his work; otherwise, he wouldn't be enjoying himself by the seaside.

试卷相关题目

• 1Don't use water to put out the fire if oil catches fire. As is known, oil ________ float on water.

  A.shall

  B.must

  C.may

  D.will

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• 2-----Could I have a look at your i-phone5s, dad? ------Oh, dear, if you_______.

  A.can

  B.must

  C.should

  D.need

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• 3No student______ go out of school for snacks during the break without the teacher's permission.

  A.will

  B.must

  C.shall

  D.may

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• 4My book, The House of Hales, is missing. Who ________ have taken it?

  A.need

  B.must

  C.should

  D.could

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• 5--My computer ____start, no matter how hard I try. --It might have crashed.

  A.won't

  B.shouldn't

  C.mustn't

  D.wouldn't

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• 6—Please don't tell anybody． —I ______ . I promise．

  A.can't

  B.don't

  C.won't

  D.mustn't

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• 7—What did you say to your sister? I saw her crying in the room. — It _________ my fault. I just said hello to her when I met her, nothing else.

  A.must have been

  B.can't have been

  C.oughtn't to be

  D.should have been

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• 8--- I spent two weeks in London last summer. --- Then you must have visited the British Museum during your stay, _______ you?

  A.mustn't

  B.haven't

  C.didn't

  D.hadn't

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• 9He _______that, without any strong evidence, he was sentenced to 10 years in prison by the judge in the trial.

  A.could not have imagined

  B.can not imagine

  C.could have imagined

  D.can have not imagined

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• 10Do some warming up exercise before sports. Or you _______ hurt yourself.

  A.must

  B.need

  C.should

  D.may

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