As a teacher, I seldom give my students so difficult a problem_______ they can't work out.

试卷相关题目

• 1The organizers promise ________ wins the first prize a chance to go abroad.

  A.who

  B.whom

  C.whoever

  D.whomever

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• 2 ________ we have enough evidence，we can't win the case.

  A.Once

  B.As long as

  C.Unless

  D.Since

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• 3 ________ you are supposed to do ________ you don't like a thing is change it. Don't complain.

  A.That; why

  B.What; when

  C.What; where

  D.That; how

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• 4 Time is of no importance to great thoughts, ________ are as fresh today as when they first passed through their authors' minds, ages ago.

  A.what

  B.that

  C.which

  D.where

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• 5Shackleton kept his promise _______ he would return to Elephant Island ____the crew had been left.

  A.which; that

  B.that; which

  C.what; where

  D.that; where

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• 6She will never forget here stay there__________ she found her son who had gone missing two years before.

  A.that

  B.which

  C.where

  D.when

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