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    科目： 来源：不详 题型：单选题

    The committee __ over the problem among themselves for two hours.
    A．has arguedB．has been arguing
    C．have arguedD．have been arguing

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    科目： 来源：不详 题型：单选题

    Hurry up! The train _______. You know it _______at 10:00pm.
    A．leaves; leavesB．is leaving; leaves
    C．leaves; is leavingD．is leaving; is leaving

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    科目： 来源：不详 题型：单选题

    Wherever he traveled in those days, he always _______ down what he saw and heard.
    A．writesB．has writtenC．wroteD．had written

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    科目： 来源：不详 题型：单选题

    I _____ his telephone number. Had I known it, I would have rung him up.
    A．don’t knownB．didn’t know
    C．hadn’t knownD．haven’t known

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    科目： 来源：不详 题型：单选题

    ----Sorry to have interrupted you. Please go on.
    -----Where was I?
    -----You _____ you didn’t like your father’s work..
    A．had saidB．said
    C．were sayingD．had been saying

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    科目： 来源：不详 题型：单选题

    The moment the 28th Olympic Games _____ open, the whole world cheered.
    A．declaredB．have been declared
    C．have declared D．were declared

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    科目： 来源：不详 题型：单选题

    —Tom almost ran into a pole yesterday while driving on the highway.
    —I suppose he         too fast.
    A．had drivenB．was drivingC．drivesD．has driven

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    科目： 来源：不详 题型：单选题

    Laughter, along with an active sense of humor, ______ protect you against a heart attack, according to a recent study.
    A．have helpedB．helpedC．helpD．helps

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    科目： 来源：不详 题型：单选题

    —If he______there were poisonous snakes in the mountain, he would not have camped there.
    —Luckily, he was found relatively quickly and_______to the local medical center.
    A．was reminded; rushedB．had been reminded; rushed
    C．was reminded; rushingD．had been reminded; rushing

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    科目： 来源：不详 题型：单选题

    Do you think that bridge _________2,000 metres long? It doesn’t appear so long.
    A．measuresB．is measuredC．has been measuredD．is measuring

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