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    科目： 来源：不详 题型：单选题

    While ____ the dog, you should take care not to get loose . Otherwise, it may be dangerous to strangers.
    A．walking;B．walkedC．walking forD．training for

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    科目： 来源：不详 题型：单选题

    I was told that _________ somebody to meet me at the station but _________ anybody.
    A．it would have; it didn’t haveB．there would be; there wasn’t
    C．it would be; there wasn’tD．there being; there didn’t have

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    科目： 来源：不详 题型：单选题

    Only when he got on the train _________ that he had left his mobile phone at home．
    A．he realizedB．he had realized C．had he realizedD．did he realize

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    科目： 来源：不详 题型：单选题

    These problems, __________, will seriously affect the growth of teenagers and even the nation’s future.    
    A．solved properlyB．if solved properly
    C．not if properly solved D．if not solved properly

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    科目： 来源：不详 题型：单选题

    Only when one leaves his homeland ______ how much he loves his motherland.
    A．he will realizeB．will he realizeC．has he realizedD．he has realized

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    科目： 来源：不详 题型：单选题

    The experiment shows that proper amounts of exercise, if      regularly,  can improve our health.   
    A．being carried outB．carried out
    C．carrying outD．to carry out

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    科目： 来源：不详 题型：单选题

    _____________ late, but also he forgot his books.
    A．Not only did he turn upB．Not only he turned up
    C．Not only did he turn outD．Not only he turned out

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    科目： 来源：不详 题型：单选题

    Not until ___ on TV ___ that the Chinese was rescued by the European Union Task Force.
    A．did I turn; did I knowB．did I turn; I knew
    C．I turned; did I knowD．I turned; I had know

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    科目： 来源：不详 题型：单选题

    _______ let fake products become uncontrolled in the market.
    A．In certain circumstances we can
    B．In no circumstance can we
    C．Under any circumstances we can
    D．Under no circumstances can we

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    科目： 来源：不详 题型：单选题

    —We could invite John and Barbara to the Friday night party.
    —Yes,  ______ ? I’ll give them a call right now.
    A．why notB．what forC．whyD．what

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