What is even more important is______ the earth cooled down, water began to appear on its surface.

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• 1Great changes have taken place in that school. It is no longer ______ it was 20 years ago, _____ it was so poorly equipped.

  A.what; when

  B.that; which

  C.what; which

  D.which; that

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• 2Pointing to the house on _____ roof grew lots of bush , the old man told me that was ________ I would stay.

  A.its ; what

  B.whose; what

  C.whose; where

  D.its; where

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• 3The reason for her failure is_____she was too proud.

  A.Because

  B.why

  C.How

  D.that

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• 4In my point of view, the question is not _____ the world is going to have a new economic crisis, but when.

  A.that

  B.how

  C.what

  D.whether

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• 5_______ puzzled Li Lei a lot was _______ his best friends didn't come to school this morning．

  A.That; why

  B.That; what

  C.What; whether

  D.What; why

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• 6What we really concern is _____ those orphans can recover from the earthquake psychologically.

  A.that

  B.if

  C.why

  D.whether

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• 7He kept yawning in class this morning. That is _____ he stayed up late doing his homework last night.

  A.why

  B.how

  C.because

  D.whether

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• 8—He is eager to try something he has never tried before. —Oh I see. That's ______he's different from others.

  A.when

  B.where

  C.how

  D.what

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• 9One reason for her preference for city life is _______ she can have easy access to places like shops and restaurants.

  A.what

  B.how

  C.that

  D.why

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• 10Go and get your coat. It's  ________ you left it.

  A.where

  B.there

  C.there where

  D.where there

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