28．You ______ very fast if you went from New York to Boston in six hours．

试卷相关题目

• 129.---John, how did your English exam go? ---I thought I _______ , but in fact I came in the top 10% in the class.

  A.should have failed

  B.couldn't have failed

  C.might have failed

  D.mustn't have failed

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• 2--- Oh, my God! We just missed the last bus back home. --- I'm sure we ______ it, but you were not in any hurry.

  A.could catch

  B.had caught

  C.would catch

  D.could have caught

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• 3You _____ the flowers more water so that they can grow well now.

  A.would have given

  B.might have given

  C.must have given

  D.should have given

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• 432．How_________I help them to understand when they won't listen to me?

  A.can

  B.would

  C.may

  D.Must

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• 5You ____ if you had spoken the truth out. But you were as quiet as a mouse.

  A.mustn't have been blamed

  B.shouldn't be blamed

  C.wouldn't have been blamed

  D.couldn't be blamed

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• 6If we had taken such effective measures much earlier, the fiver ____ so seriously now.

  A.is not polluted

  B.would not be polluted

  C.had not been polluted

  D.would not have been polluted

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• 7—What a great cook your sister is! —Yeah! We ______ never have enough of her cookies．

  A.may

  B.must

  C.should

  D.can

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• 8The door ______ . Better have it repaired .

  A.isn't shut

  B.hasn't been shut

  C.won't be shut

  D.won't shut

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• 9You ______ scold such a pupil who always keeps silent so seriously that you ______ hurt him.

  A.should; can

  B.may; will

  C.mustn't ; may

  D.can't must

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• 10--- I stayed at a hotel while in New York . --- Oh, did you? You ＿＿＿＿ with Barbara．

  A.could have stayed

  B.could stay

  C.would stay

  D.must have stayed 

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