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    精英家教网 > 初中英语 > 题目详情

    I don’t know ____ or not he is right.

    A．thatB．what
    C．ifD．whether

    D

    解析试题分析：句意：我不知道他是否是对的。whether or not，是固定搭配，是否。结合句意，故选D
    考点：考查连词的用法。

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