问题
选择题
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
答案
答案：C
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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：C