________ the teacher, the students entered the lab.

试卷相关题目

• 1I ________ as him because I think I ________ be wrong．

  A.daren't; must

  B.dare; must

  C.dare; mustn't

  D.daren't; mustn't

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• 2Her leg hurt her as always, and her back was painful, but what ________ she do? She put up with it．

  A.can；must

  B.could; must

  C.should; may

  D.must; may

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• 3When I was waiting for an important call, my cellphone ________ run out of power．

  A.can

  B.may

  C.must

  D.shall

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• 4The weather here is generally mild, but it ________ be very rough in summer．

  A.can

  B.should

  C.will

  D.may

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• 5If this pen is not yours, whose ________ it be?

  A.may

  B.must

  C.can

  D.will

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• 6________ by the response of the students, I made an effective speech.

  A.Judged

  B.Judging

  C.To be judged

  D.To judge

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• 7I wasn't supposed to go to the movies, but I ________ myself．

  A.cannot help

  B.couldn't but

  C.had to help

  D.couldn't help

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• 8Can you imagine ________ on a lonely island alone?

  A.to live

  B.lived

  C.live

  D.living

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• 9What do you mean, there are only ten tickets?There ________ be twelve．

  A.should

  B.would

  C.will

  D.shall

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• 10It is not like Jack to be unfriendly, so he ________ you when you called．

  A.can't have heard

  B.shouldn't have heard

  C.mustn't have heard

  D.needn't have heard

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