问题
I wonder at 6:00 yesterday afternoon.— I was doing my homework in the reading room.
A:what were you doing
B:what did you do
C:what you were doing
D:what you are doing;
B:what did you do
C:what you were doing
D:what you are doing;
正确答案是：
同类题型
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He_____at the space, and just keptsilence for a long time. [ ]
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Have you got any job offers?一No．II’ll not give up，whatever the result is