Sometimes the expert ________ a task from a historical point of view.

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• 1There _____ be a shortage of water in Yunnan? I wonder. You know it is in the southwest of China where there used to be adequate rain .

  A.could

  B.must

  C.can

  D.should

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• 2---- We want someone to design the new art museum for us. --- _______ the young fellow have a try.

  A.May

  B.Shall

  C.Will

  D.Need

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• 3. He worked day and night, and therefore he _______ buy the sports car.

  A.could

  B.was able to

  C.might

  D.would

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• 4. In those days, the old woman __________ sit at the door for hours, waiting for her son to return from abroad.

  A.should

  B.used to

  C.might

  D.would

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• 5-- Director Wang, a man is waiting to see you outside, _______ he come in? -- In a moment. I' m busy right now.

  A.Can

  B.Shall

  C.May

  D.Would

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• 6Our English teacher requested that the homework _______ tomorrow morning.

  A.would be handed in

  B.be handed in

  C.hand in

  D.must be handed in

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• 7—Have you found out anything, sir? —We are sure that the thief entered the house through the window instead of breaking in. You ______ have closed the window before you left.

  A.shouldn't

  B.must

  C.couldn't

  D.might

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• 8Often, when he ______ something that ______ him, he wasted his time drawing little pictures.

  A.should be doing, gave

  B.should have been doing, was given

  C.should do, was given

  D.should have been doing, had given

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• 9----She looks so unhappy. Did you tell her the truth yesterday?  ----Yes, but I ____ her later.           

  A.must have told

  B.should have told

  C.shouldn't have told

  D.mustn't have told

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• 10—Where _______ Margaret have put the empty bottles? —She ______ them away. They must be somewhere.

  A.can; can't have thrown

  B.must; needn't

  C.must; must have thrown

  D.can; must throw

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