◎ 题干
I don't know ________, but I guess he may be a teacher.
[     ]
A. what is he
B. how he does it
C. what he does
D. what does he do
◎ 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 ________, but I guess he may be a teacher.[ ]A. what is he B. how he does it C. what he does D. what does he do …”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。