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    科目： 来源：不详 题型：单选题

    We won’t give up ______ we should fail 10 times.
    A．as ifB．except forC．in caseD．even if

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    科目： 来源：不详 题型：单选题

    Finally, he found his calculator __________ he lost it.
    A．the place in whichB．in which
    C．the place whereD．where

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    科目： 来源：不详 题型：单选题

    _________ across the railway, a train hit it.
    A．While walkingB．Walking slowly
    C．As the little pig walkingD．While the little pig was walking

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    科目： 来源：不详 题型：单选题

    --Did Mary return late last night?
    --No. It was not yet 7 o’clock _________ she arrived home.
    A．beforeB．whenC．thatD．until

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    科目： 来源：不详 题型：单选题

    _________ hard one may work, one cannot master a foreign language in a year or two.
    A．ThoughB．AsC．WhileD．However

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    科目： 来源：不详 题型：单选题

    While previewing his lessons, the little boy will make a question mark ________ there is a question.
    A．whereB．whenC．becauseD．which

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    科目： 来源：不详 题型：单选题

    ______ at the top of the Oriental Tower, people below will look very small.
    A．StandB．StandingC．To standD．If you stand

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    科目： 来源：不详 题型：单选题

    ---It is a long time ______ I saw you last．
    ---Yes．And it will be a long time ______ we see each other again．
    A．when; beforeB．after; whenC．since; beforeD．since; until

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    科目： 来源：不详 题型：单选题

    _______ I see the photo,1 will always think of Mr Li, who once was very strict with us.
    A．Now thatB．Even thoughC．The first time D．Every time

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    科目： 来源：不详 题型：单选题

    Scientists say it may be five or six years _____ it is possible to test this medicine on human patients.
    A．sinceB．afterC．beforeD．when

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