◎ 题干
I don’t understand ______ such a silly question in class yesterday.
A.why did John askB.why John asked
C.why is John askingD.why John asks
◎ 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 don’t understand ______ such a silly question in class yesterday.A.why did John askB.why John askedC.why is John askingD.why John asks…”主要考查了你对  【宾语从句】【状语从句】  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。