Mary__________my letter;otherwise she would have replied before now.

试卷相关题目

• 1--Listen! Someone is knocking at the door. -- ______ be Mary. She has just been to Beijing

  A.She mustn't

  B.It can't

  C.It must

  D.She may

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• 2Why _______ you keep troubling your mother with such question while he is busy .

  A.can

  B.will

  C.would

  D.must

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• 3—Tom didn't come last night,did he? —No.I _______ have waited for him.A whole night was wasted.

  A.would

  B.should

  C.couldn't

  D.needn't

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• 4The tourists didn't stop to rest at each station because it ______them down.

  A.had slowed

  B.would slow

  C.should have slowed

  D.would have slowed

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• 5Water _______ be changed into vapour but it _______ be heated to its boiling point .

  A.may ; can

  B.can ; must

  C.may ; needn't

  D.must ; may

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• 6I would have gone to visit him in the hospital，had it been at all possible，but I _________ fully occupied the whole of last week.

  A.were

  B.had been

  C.have been

  D.was

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• 7I _______ have been more than six years old when the accident happened.

  A.shouldn't

  B.couldn't

  C.mustn't

  D.needn't

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• 8I am glad that you have managed to come.You _______ have brought wine.We've got plenty.

  A.wouldn't

  B.couldn't

  C.mustn't

  D.needn't

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• 9—Tom,did you see the film “Jaws” last night? —Yes,but I really__________,because I had lots of work to do.

  A.couldn't have

  B.mustn't have

  C.needn't have

  D.oughtn't to have

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• 10. — ____ I know your name ?    — Sorry , you ____ .

  A.May ; mayn't

  B.May ; can't

  C.Must ; mustn't

  D.Need ; must

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