问题
选择题
How I regret I wasted time ______ online instead of devoting myself to study![ ]
A. being chatting
B. to chat
C. chatting
D. chatted
答案
答案：C
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How I regret I wasted time ______ online instead of devoting myself to study![ ]
A. being chatting
B. to chat
C. chatting
D. chatted
答案：C