I don't know _____ A.how to do B.which to do C.what do D.where to do

问题描述:

I don't know _____ A.how to do B.which to do C.what do D.where to do

选A
B里面which跟do联用解释不通
C里面应该是what to do
D里面应该是where to go

I don't know what to do.
I don't know how to do it.
I don't know where to go.

C.what do 你会不会是吧to给落下了。

看走眼了、。A

A

I don't know __what to do ___吧

较真儿的话除了C,其他都可以~

非要选一个最好的,就A