一You can' t imagine ______ great fun cha
问题:
一You can' t imagine ______ great fun chatting online is.
一Really ? But it may cause you a lot of trouble. [ ]
A. what
B. how
C. why
D. whether
一You can' t imagine ______ great fun chatting online is.
一Really ? But it may cause you a lot of trouble. [ ]
A. what
B. how
C. why
D. whether