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    科目： 来源：不详 题型：单选题

    This is the second time that you ______ the Summer Palace.
    A．visitedB．have visitedC．had visitedD．are visiting

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    科目： 来源：不详 题型：单选题

    —Hey ,it’s you, Jackie! I didn’t think you could be here．
    —A big surprise ,right? I _______ for you all the afternoon．
    A．have waitedB．was waitingC．have been waiting D．waited

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    科目： 来源：不详 题型：单选题

    A poet and artist ______ coming to speak to us about Chinese literature and painting tomorrow afternoon.
    A．isB．areC．wasD．Were

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    科目： 来源：不详 题型：单选题

    --- I ____ so busily recently that I ____ no time to help you with your maths.
    ---That’s OK. I can manage it by myself.
    A．had been working; had hadB．have been working; had
    C．have been working; haveD．am working; will have

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    科目： 来源：不详 题型：单选题

    Look at the timetable. The flight to Shanghai _____ off at 10:00.
    A．is takingB．takesC．will be takenD．will take

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    科目： 来源：不详 题型：单选题

    ---Do you know London at all?
    ---No, this is the first time that I______ here．
    A．wasB．cameC．have beenD．had been

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    科目： 来源：不详 题型：单选题

    --- How long ___ in Shanghai? --- For two weeks. I’m going to visit some schools in Shanghai.
    A．did you stayB．have you stayedC．are you stayingD．do you stay

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    科目： 来源：不详 题型：单选题

    When I first met Mary I didn’t like her, but I ________ my mind.
    A．have changedB．changeC．had changedD．would change

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    科目： 来源：不详 题型：单选题

    We are confident that the environment ________ by our further efforts to reduce pollution.
    A．improvesB．will be improvedC．has improvedD．was improved

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    科目： 来源：不详 题型：单选题

    ---We are informed that the Weifang International Kite Festival starts at 7:00.
    ---Oh, I didn't expect it was so early! I ________ to go out for dinner with my friends first.
    A．was planningB．am planning
    C．have been planningD．have planned

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