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    科目： 来源：不详 题型：单选题

    _______ good use of learning resources such as the website and library, and you will make great progress.
    A．To makeB．MakingC．MakeD．Having made

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    科目： 来源：不详 题型：单选题

    — Why haven’t you asked her to come here?
    — She _______ an important experiment when I found her and she _______ it.
    A．had done; didn’t finishB．was doing; hasn’t finished
    C．did; wouldn’t finishD．did; hadn’t finished

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    科目： 来源：不详 题型：单选题

    This is the first time that I        it.
    A．seeB．sawC．had seenD．have seen

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    科目： 来源：不详 题型：单选题

    It is no good ______ him. He doesn’t help himself.
    A．helping B．having helpedC．helpedD．help

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    科目： 来源：不详 题型：单选题

    Rather than _________ on a crowded bus, he always prefers _________ a bicycle.
    A．ride; rideB．riding; rideC．ride; to rideD．to ride; riding

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    科目： 来源：不详 题型：单选题

    You can hardly imagine what great difficulty we had _________ the task.
    A．finishingB． finishedC．to finishD．finish

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    科目： 来源：不详 题型：单选题

    Mike has much difficulty ________ Chinese so he often asks me ________ help.
    A．to understand, withB．understanding, of
    C．to understand, forD．understanding, for

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    科目： 来源：不详 题型：单选题

    ______ Marx's works with Engels', and you'll find many differences．
    A．ComparingB．Compare
    C．To compareD．If you compare

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    科目： 来源：不详 题型：单选题

    —Isn’t it time you _______ down to _______ your own things?
    —I’m sorry for the delay, Dad.
    A．get, packB．got, packingC．got, pack D．get, packing

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    科目： 来源：不详 题型：单选题

    —You look unhappy， my son?
    —I’m wondering how long it’ll be          we come to China again.
    A．sinceB．whenC．beforeD．after

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