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    精英家教网 > 高中英语 > 题目详情
    So carefully ____ the performance that it went smoothly in the competition.

    A. have we prepared
    B. had we prepared
    C. we have prepared
    D. we had prepared
    B
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    科目：高中英语 来源：河北省期末题 题型：单选题

    So carefully ____ the performance that it went smoothly in the competition.
    [     ]
    A. have we prepared
    B. had we prepared
    C. we have prepared
    D. we had prepared

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