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    科目： 来源：不详 题型：单选题


    . In September 2008 , China’s key milestone in space travel_____when Zhai Zhigang conducted the first space walk.
    A．reachedB．was reachedC．has reachedD．had been reached

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    科目： 来源：不详 题型：单选题


    According to the lastest study ,the population of Xuzhou has grown to more than 30 times____it was in 1949. The figure ____to 9.5 million by the end of 2010.
    A．that , will riseB．that ,will have risenC．what , will riseD．what ,will have risen

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    科目： 来源：不详 题型：单选题


    --Please tell the court what really happened.
    --Oh, I ____ , and I hit a parked car.
    A．wouldn’t pay attentionB．hadn’t paid attention
    C．haven’t paid attentionD．wasn’t paying attention

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    科目： 来源：不详 题型：单选题


    --I would why he ____so strangely these days.
    --Recent pressure at study may account for his behavior.
    A．was actingB．is actingC．actedD．acts

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    科目： 来源：不详 题型：单选题


    John was given the same suitcase his father and grandfather _______with them to school.
    A．tookB．had takenC．were takingD．would take

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    科目： 来源：不详 题型：单选题


    She stared at the painting,wonder where she ____it.
    A．sawB．has seenC．seesD．had seen

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    科目： 来源：不详 题型：单选题


    Danny _____ hard for long to realize his dream and now he is popular.
    A．worksB．is workingC．has workedD．worked

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    科目： 来源：不详 题型：单选题


    The young girl sitting next to me on the plane was very nervous.She ______before.
    A．hasn’t flownB．didn’t flyC．hadn’t flownD．wasn’t flying

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    科目： 来源：不详 题型：单选题


    .It is said that the early European playing-cards ______for entertainment and education.
    A．were being designedB．have designedC．have been designedD．were designed

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    科目： 来源：不详 题型：单选题


    Years ago we didn’t know this , but recent science______that people who don’t sleep well soon get ill.
    A．showedB．has shownC．will showD．is showing

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