Don't turn off the computer before closing all programs ________ you could have problems

试卷相关题目

• 1Look at this! It's broken now! You ________ have been careful!

  A.could

  B.must

  C.would

  D.should

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• 2The movie was totally a waste of time. I ______ just as well have stayed at home

  A.should

  B.might

  C.could

  D.would

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• 3---How do you find the cake? ---This cake is very sweet. You ______ a lot of sugar in it.

  A.should put

  B.could have put

  C.might put

  D.must have put

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• 4She demanded that he _____ the books he borrowed from her.

  A.should return

  B.would return

  C.returned

  D.were to return

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• 5—What do you think we can do for our aged parents? —You _______ do anything except to be with them and be yourself

  A.don't have to

  B.oughtn't to

  C.mustn't

  D.can't

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• 6I ________ have passed my examination easily, but I made too many stupid mistakes.

  A.must

  B.will

  C.shall

  D.could

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• 7--- Lucy doesn't mind lending you her dictionary. --- She ______. I've already borrowed one.

  A.can't

  B.mustn't

  C.needn't

  D.shouldn't

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• 8We ______ for her because she never came.

  A.mustn't have waited

  B.shouldn't have waited

  C.mustn't wait

  D.needn't wait

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• 9--- Could I use your telephone? --- Yes, of course you ______.

  A.could

  B.will

  C.can

  D.might

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• 10He insisted the person referred ______ put into prison at once.

  A.is

  B.be

  C.to be

  D.should be

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