Seeing their son playing computer games all day, the parents don’t know ______ it.
A. how to do
B. what to do
C. how to deal with
D. how to do with
Seeing their son playing computer games all day, the parents don’t know ______ it.
A. how to do
B. what to do
C. how to deal with
D. how to do with
C
从句意和结构看，使用do with或deal with都可以，但do with不可与how连用。