—I can't find my purse anywhere.—You______have lost it while shopping. 

试卷相关题目

• 1—It's a wonderful way of getting to see Italy, and it also________cost very much.— Terrific. 

  A.needn't

  B.mustn't

  C.couldn't

  D.shouldn't

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• 2— Could I use your computer to type a letter?— You________have my computer if you don't take good care of it. 

  A.shallnot

  B.mightnot

  C.needn't

  D.shouldn't

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• 3 It seemed that the conflict________have been avoided with better communication,but they were both unwilling to give in to each other. 

  A.would

  B.could

  C.must

  D.needed

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• 4It_______be difficult to get a train ticket during traditional Chinese Spring Festival this year because there are many ticket windows.     

  A.mustn't

  B.oughtto

  C.needn't

  D.can't

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• 5—He worked out such difficult questions at a very young age.   —Oh, he _______a very smart student then 

  A.couldhavebeen

  B.shouldhavebeen

  C.mighthavebeen

  D.musthavebeen

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