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    科目： 来源：不详 题型：单选题

    “Well done, John! Not a single mistake____in your exam paper this time!”said the teacher．
    A．you madeB．did you makeC．had you madeD．you have made

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    科目： 来源：不详 题型：单选题

    Only by learning more about different cultures _______ avoid misunderstanding during international cooperation.
    A．we canB．we shouldC．should weD．can we

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    科目： 来源：不详 题型：单选题

    Under a big tree _______, half asleep.
    A．did sit a fat manB．a fat man satC．did a fat man sitD．sat a fat man

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    科目： 来源：不详 题型：单选题

    Small sailboats can easily turn over in the water ________.
    A．if not managed carefullyB．if are not managed carefully
    C．unless not managed carefullyD．unless are not managed carefully

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    科目： 来源：不详 题型：单选题

    Never in my wildest dream _________ these people are living in such poor conditions.
    A I could imagine   B could I imagine   C I couldn't imagine  D couldn't I imagine 

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    科目： 来源：不详 题型：单选题

    Under no circumstances _______ the difficulties when they were on an expedition to the Antarctic．
    A．they gave way toB．did they give way to
    C．they had given way toD．had they given way to

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    科目： 来源：不详 题型：单选题

    Some scientists believe that it won’t be long _______ robots are widely used in all walks of life．
    A．sinceB．afterC．beforeD．until

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    科目： 来源：不详 题型：单选题

    Two hours away from the tall buildings of New York         ．
    A．some of the world’s largest bears live
    B．lives some of the world’s largest bears
    C．do some of the world’s largest bears live
    D．live some of the world’s largest bears

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    科目： 来源：不详 题型：单选题

    I promise _____ else can you find _____ better computer at such a low price.
    A．anywhere; aB．nowhere; theC．nowhere; aD．somewhere; ＼

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    科目： 来源：不详 题型：单选题

    ________ when the door burst ______.
    A．Hardly did he collect the papers on his desk; opened
    B．No sooner had he collected the papers on his desk; opened
    C．Hardly had he collected the papers on his desk; open
    D．No sooner did he collect the papers on his desk; open

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