单选题
W: Have you found your book yet?
M: ______
A、
No. But I didn"t remember where I had put it.
B、
No. I am not sure what I have done with it.
C、
Not yet. And I"m sure I have lost it for ever.
D、
Still not. It seemed to me I shall never get it back.
【正确答案】
B
【答案解析】
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