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    科目： 来源：不详 题型：单选题

    —Why，Jack，you look so tired!
    —Well，I ________ the house and I must finish the work tomorrow.
    A．was paintingB．will be painting
    C．have paintedD．have been painting

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    科目： 来源：不详 题型：单选题

    I have to see the doctor because I ________ a lot lately.
    A．have been coughingB．had coughed
    C．coughedD．cough

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    科目： 来源：不详 题型：单选题

    —Look！Somebody ________ the sofa.
    —Well，it wasn't me.I didn't do it.(2012·江西)
    A．is cleaningB．was cleaning
    C．has cleanedD．had cleaned

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    科目： 来源：不详 题型：单选题

    —I remember you were a talented pianist at college.Can you play the piano for me?
    —Sorry，I ________ the piano for years.(2012·湖南)
    A．don't playB．wasn't playing
    C．haven't playedD．hadn't played

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    科目： 来源：不详 题型：单选题

    — Alvin，are you coming with us?
    —I'd love to，but something unexpected ________.
    A．has come upB．was coming up
    C．had come upD．would come up

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    科目： 来源：不详 题型：单选题

    In the last few years thousands of films ________ all over the world.
    A．have producedB．have been produced
    C．are producingD．are being produced

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    科目： 来源：不详 题型：单选题

    It’s reported that in the past 50 years around 80 percent of Beijing’s courtyard houses ______.
    A．had wiped outB．have wiped out　
    C．have been wiped out　D．had been wiped out

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    科目： 来源：不详 题型：单选题

    When to go for the on-salary holiday          yet?
    A．are not decidedB．have not been decidedC．is not being decidedD．has not been decided

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    科目： 来源：不详 题型：单选题

    The world's first flying car has been ________ for sale at ￡800,000 by Courtesy Aircraft of the US.
    A．taken upB．put up
    C．pulled upD．made up

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    科目： 来源：不详 题型：单选题

    It's said that they ________ a better life ever since they moved to the US.
    A．had enjoyedB．have been enjoying
    C．were enjoyingD．would enjoy

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