问题
选择题
To lose themselves in the net bar on teenagers' future life. [ ]
A. have a bad effect
B. has a bad effect
C. have a good effect
D. has a good effect
答案
答案：B
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To lose themselves in the net bar on teenagers' future life. [ ]
A. have a bad effect
B. has a bad effect
C. have a good effect
D. has a good effect
答案：B