I have not found my book yet; in fact ,I am not sure__I could have done with it .A whether B what c when D where

问题描述:

I have not found my book yet; in fact ,I am not sure__I could have done with it .
A whether B what c when D where

B what

A whether
个人意见,哈哈仅供参考

B
我还没有找到我的书。事实上,我不知道我还能怎么办。

B
我还没找到我的书,我不确定我把它怎么了(把它放哪里了)。

B