题目内容
I don’t know ___________.
A. the reason why can be
B. why the reason may be
C. what the reason can be
D. what the reason may be
答案：D
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题目内容
I don’t know ___________.
A. the reason why can be
B. why the reason may be
C. what the reason can be
D. what the reason may be
ri/ about me. I am fine. 
pt/ her handbag in the symphony hall yesterday. 
nist / boy, isn't he?
n'tinju:/ their education after middle school.