____ I'm mistaken, I've seen that tall man at a party before.

试卷相关题目

• 1________you never plan to visit the polar bears in the North Pole or the penguins in the South Pole，now it is the proper time to start thinking about that.

  A.Until

  B.Unless

  C.As long as

  D.Even if

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• 2 We had just covered half the journey________the engine failed and we could do nothing but wait for help.

  A.before

  B.since

  C.when　

  D.until

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• 3  Some people are worrying about the possibility _______ mobile phones could be responsible for a range of illnesses, from rashes (皮疹) to brain tumors.

  A.that

  B.why

  C.how

  D.whether

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• 4_________ there are certainly times when giving up trying is the right thing to do, in most cases all needed is commitment and communication.

  A.Unless

  B.Before

  C.Although

  D.Since

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• 5It is by no means clear ________ the president can do something to end the strike.

  A.whether

  B.which

  C.that

  D.what

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• 6Suddenly the idea came to me _______ I might turn to my teacher for help.

  A.what

  B.that

  C.which

  D.whom

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• 7The relatives of the passengers in the missing Flight MH370 can't hide their feelings, _____ they can make sure that the plane will make a safe landing on the airport.

  A.except when

  B.except

  C.except that

  D.except where

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• 8 _______ is more important is _______ as the earth cooled down, water began to appear on its surface.

  A.What /that

  B.That/what

  C.What / what

  D.That / that

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• 9As a green hand, he doesn't know______ it takes to start a business here.

  A.when

  B.how

  C.what

  D.which

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• 10______ I always felt I would pass the exam, I never thought I would get an

  A.A.While

  B.Unless

  C.If

  D.Until

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