John's success has nothing to do with good luck. It is years of hard work _______has made him a great scientist today.

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• 1—Did you remember to give Jenny the money? —Yes. _______ I saw her, I'm sure.

  A.So long as

  B.So far as

  C.The moment　

  D.Any time

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• 2—The product carries one year's guarantee. ________ I am covered if it doesn't work? —That's right, _______ it's damaged.

  A.And; if

  B.So; unless

  C.But; before

  D.For; when

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• 3The American economy is still in trouble，________ the Chinese economy is beginning to pick up.

  A.when

  B.however

  C.while

  D.therefore

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• 4His parents were teachers in that school, _______ lost their lives in order to save their students in the earthquake.   

  A.none of them

  B.both of them

  C.none of whom

  D.both of whom

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• 5A new shopping centre will be built ______ the old fish market used to be.

  A.what

  B.that

  C.where

  D.in which

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• 6They had no sooner arrived at the airport ______ it was time to check in.

  A.when

  B.before

  C.than

  D.though

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• 7______ the Internet is of great help, I don't think it's a good idea to spend too much time on it.

  A.If

  B.As

  C.Because

  D.While

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• 8Fast ____ you read, you can't finish the book in two days.

  A.so

  B.if

  C.as

  D.although

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• 9He's got himself into a dangerous situation ________ he is likely to lose control over the plane.

  A.where

  B.which

  C.while

  D.why

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• 10_____ I read the story, I'm greatly moved by it.

  A.At the moment

  B.Every time

  C.For the time

  D.Next time

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