◎ 题干
________ I can’t understand is ________ he wants to change his mind.
A.that; thatB.what; whyC.which; whatD.what; 不填
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“________ I can’t understand is ________ he wants to change his mind.A.that; thatB.what; whyC.which; whatD.what; 不填…”主要考查了你对  【并列连词】【从属连词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。