问题
选择题
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
答案
答案：A
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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
答案：A