◎ 题干
I don't know _____.     

A.  what is he    
B.  where is he from    
C.  when does he get up    
D.  how old he is.
◎ 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 know _____.[ ]A.what is heB.where is he fromC.when does he get upD.how old he is.…”主要考查了你对  【宾语从句】  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。