问题
选择题
I really don't know ______ about it. [ ]
A. what to do
B. how to do
C. to do what
D. how can I do
答案
答案：A
搜题请搜索小程序“爱下问搜题”
I really don't know ______ about it. [ ]
A. what to do
B. how to do
C. to do what
D. how can I do
答案：A