(2011、南京模拟)People begin to know that most environmental problems exist because necessary measures for preventing them________taken in the past.

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• 1(2011、北京西城模拟)The attackers were arrested and didn’t know where they________.

  A.would take

  B.are taken

  C.were being taken

  D.will be taken

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• 2(2011、东北三省四市联考)—What’s that terrible noise，David、—Oh，I forgot to tell you.The new machines in the nearby plant________.

  A.were tested

  B.will be tested

  C.are being tested

  D.have been tested

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• 3(2010年西安质量检测)We haven’t moved into the new office building—it________right now.

  A.is decorating

  B.has been decorated

  C.is being decorated

  D.has been decorating

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• 4(2010届皖南八校联考)We’ve been told the good news，but when and where to go for the exciting paid vacation________yet.

  A.are not discussed

  B.have not been discussed

  C.is not being discussed

  D.has not been discussed

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• 5(2010届江西高安中学月考)—Did you have any trouble finding your way in Shanghai、—Yes，I tried to find my way to the airport but________.

  A.has been lost

  B.get lost

  C.lost

  D.got lost

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• 6(2011、日照市调研考试)—Monitor、—I’m not monitor of our class.I________with the teacher until the monitor is elected.

  A.will just help

  B.am just to help

  C.am just helping

  D.have just helped

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• 7(2011、南京第一次模拟)—I hear you________at Smith’s.—Yes，I________there for about three months.

  A.work；had been working

  B.worked；was working

  C.are working；have been working

  D.worked；have worked

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• 8(2010、海淀区第二学期期中练习)—Why didn’t you come to the cinema with us last Saturday、—Oh，sorry.But I________the film.

  A.see

  B.saw

  C.have seen

  D.had seen

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• 9(2010、3月济南模拟)A big step ________to strengthen China’s health care systems since we launched an effort in 2008.

  A.has been taken

  B.is being taken

  C.was taken

  D.had been taken

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• 10(2011、哈尔滨检测)I have been on diet for months and next time you see me，I ________five pounds.

  A.will have lost

  B.will lose

  C.have lost

  D.am losing

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