According to the survey, two thirds of the area________covered by trees now and 90% of the population________contributions to the Greening Project in the city.

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• 1Some modern teaching equipment as well as hundreds of computers _______ to ten Hope Schools in South China．

  A.were sent

  B.was sent

  C.have sent

  D.had been sent

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• 2---Joyce, please don't make noise! ---Pardon? ---I _________ make noise.

  A.tell you don't

  B.tell you not to

  C.told you didn't

  D.told you not to

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• 3In the past half-century, average incomes _______ quickly in developed countries, yet happiness levels have remained almost the same.

  A.have risen

  B.had risen

  C.rose

  D.rise

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• 4—Bob! How is your project? I heard you started it last Friday, right?—Oh! I_______ for it. But I haven't decided when to do it.

  A.have prepared

  B.had prepared

  C.have been preparing

  D.was preparing

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• 5The teacher said that _________.

  A.light travel much faster than sound

  B.light travelled much faster than sound

  C.light had travelled much faster than sound

  D.light travels much faster than sound

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• 6— Have you ever visited the Opera House? —Yes．When I was in Sydney, I ______ it twice．

  A.have visited

  B.had visited

  C.visited

  D.would visit

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• 7It was required that the tall building _______ at present because it is still new.

  A.not pulled down

  B.was not pulled down

  C.not being pulled down

  D.not be pulled down

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• 8As we stood on the top of the hill, we could see the beautiful scene that _______ before us.

  A.had spread

  B.has spread

  C.spread

  D.spreads

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• 9She ______ on a new novel ever since this summer and it is supposed to ______ at the beginning of 2011.

  A.had worked; be published

  B.had been working; have published

  C.has worked; publish

  D.has been working; be published

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• 10—Andy works hard． —So he does．He is often seen _____ heavily before his teammates have even arrived at practice．

  A.to be sweated

  B.sweated

  C.be sweated

  D.sweating

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