By the time he realizes he _____ a mistake, it'll be too late for him to change his mind.

试卷相关题目

• 1Bill __________ his wife that he ________ when the fire broke out

  A.tells

  B.is sleeping

  C.told

  D.was sleeping

  E.told

  G.had told

  H.had slept

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• 2The impact that the cold ______ on the old is obvious.

  A.takes

  B.has

  C.gets

  D.makes

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• 3This is the first time that I ______ the song Gangnam Style.

  A.hear

  B.are hearing

  C.heard

  D.have heard

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• 4Tom with his friends ______ volleyball since three o'clock

  A.has been playing

  B.is playing

  C.have been playing

  D.have played

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• 5It ______ long befor the Chinese Space Center ______ Shenzhou VII Spacecraft,becoming the third country to send an astronaut to 'walk' in space after the United States and the former Soviet Union (now Russia).

  A.will not be

  B.launches

  C.was not

  D.launched

  E.will be

  G.was not

  H.had launched

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• 6Our food supply _____. We'd better get some in case there's ____ left.

  A.is running out

  B.none

  C.has run out of

  D.none

  E.is using up

  G.has used up

  H.nothing

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• 7While people may refer to television for up-to-the-minute news, it is unlikely that television _____ the newspaper completely.

  A.replaced

  B.have replaced

  C.replace

  D.will replace

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• 8I _____ all the cooking for my family, but recently I've been too busy to do it.

  A.will do

  B.am doing

  C.do

  D.had done

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• 9In the past few years, Chinese scientists ________ great success in the field of space flight.

  A.achieved

  B.have achieved

  C.won

  D.had won

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• 10She_____me only twice since last year.

  A.sees

  B.was seeing

  C.has seen

  D.have seen

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