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    科目： 来源：不详 题型：单选题

    I wonder if she______us,but I think if she______us we will be able to complete the task ahead of time.
    A．helps;helpsB．will help;has helped
    C．helps;will helpD．will help;helps

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    科目： 来源：不详 题型：单选题

    The population of the city ________from less than half a million in 1949 to over two million.
    A．have increasedB．has increasedC．have improvedD．has improved

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    科目： 来源：不详 题型：单选题

    —Didn't the teacher see him entering the classroom?    
    —No, he_______ on the blackboard.
    A．was writingB．had written
    C．wroteD．is writing

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    科目： 来源：不详 题型：单选题

    —Which hotel are you in?
    —I____ in a hotel. A friend I met on the train ____ to put me up for a couple of nights.
    A．haven’t stayed; has offeredB．am not staying; offered
    C．am not staying; is offeringD．do not stay; offers

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    科目： 来源：不详 题型：单选题

    I _______ in a foreign company for five years. Still, I don’t regret giving up the well-paid job.
    A．workedB．have worked
    C．was workingD．had worked

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    科目： 来源：不详 题型：单选题

    My headache is killing me. I ______ it was going away. But now it’s getting worse and worse.
    A．thinkB．thought
    C．have thought D．had thought

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    科目： 来源：不详 题型：单选题

    When we got to there, the host _____ his speech and the performance __________.
    A．has finished; beganB．had just finished; had begun
    C．had just finished; was about to beginD．just finished; began

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    科目： 来源：不详 题型：单选题

    After being．discovered by Dutch explorers in 1606，the eastern half of Australia_____by the British in 1770．
    A．was claimedB．claimedC．was claimingD．has been claimed

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    科目： 来源：不详 题型：单选题

    Scientific surveys conducted during the climbs ______that Mount Huandoy in Peru______ 6395 meters high
    A．shown；isB．showed；wasC．shows；wasD．showed；is

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    科目： 来源：不详 题型：单选题

    About 85％of the Australian population of 20million______in the six major cities around the coast nowadays
    A．has livedB．liveC．1ivcdD．1iving

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