How many more decades will have to pass ____ scientists succeed in providing a cure for cancer?

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• 1----- It appears that your relationship with Mike is not normal, doesn't it? ----- I thought of him as a trustworthy friend _____, to my shock, he gave me away to the boss．

  A.unless

  B.since

  C.for

  D.until

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• 2We could see the temple quite clearly from _________we lived.

  A.what

  B.which

  C.where

  D.that

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• 3The last story ______ our teacher told us the other day was ________ of an Italian explorer.

  A.that; which

  B.which; which

  C.that; that

  D.which; that

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• 4The teacher was angry about his being late for class, but he behaved ______ nothing had happened.

  A.as

  B.even if

  C.as if

  D.even though

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• 5What impact is it ________ the worldwide economic crisis of 2009 has on the development of Chin

  A.A.why

  B.how

  C.when

  D.that

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• 6The last letter ____ arrived yesterday morning left him______ very sad.

  A.which; feel

  B.which; to feel

  C.that; feeling

  D./; felt

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• 7Most parents still hold the view______students should first put their hearts into their lessons.

  A.how

  B.what

  C.why

  D.that

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• 8____ the end of the performance did the audience get the chance to take photos with the respectable actor．

  A.At

  B.By

  C.Up to

  D.Not until

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• 9The book will give you an idea _______ life was like in ancient Greece.

  A.how

  B.where

  C.that

  D.what

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• 10Is it, in your opinion, possible __________ new measures will be taken to improve the terrible traffic?

  A.whether

  B.what

  C.when

  D.that

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