I can't find my pen yet;in fact,I am not sure__I could have done _英语解答

I can't find my pen yet;in fact,I am not sure__I could have done with it
A.where
B.what
选B,A为什么不对呢?

人气：497 ℃　时间：2019-10-26 14:20:26

解答

i could have done (what) with it 我对我的笔到底做了什麽这里的什麽是what
而不是问把它放哪儿了所以不用where
如果是where 应该是where i could have put it之类的句子里缺什麽什麽可以带入到句子中就用什麽