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    精英家教网 > 初中英语 > 题目详情

     Oh, you are here. I _______ you came back.

    A. don't know                             B. didn't know

    C. haven't known                          D. won't know


    【答案】B

    【解析】考查动词时态的用法。根据句意：“哦，你在这里，我不知道你回来了”，显然现在已经知道了，所以要用过去时，表示“原来”不知道，所以选择答案B。


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