问题
选择题
Bill's aim is to inform the viewers that cigarette advertising on TV is illegal, ______? [ ]
A. isn't it
B. is it
C. isn't be
D. is he
答案
答案：A
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Bill's aim is to inform the viewers that cigarette advertising on TV is illegal, ______? [ ]
A. isn't it
B. is it
C. isn't be
D. is he
答案：A