The policeman asked the man at 9 o'clock last night. A.what he was doing B.what he is doing C.what was he doing D.what is he doing 查看更多

 

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The policeman asked the man ______ at 9 o'clock last night. 
[     ]
A. what he was doing      
B. what he is doing   
C. what was he doing      
D. what is he doing

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