Asfarasweknow,halfofCanadianteenagersdonotgetenou...

问题详情：

       As far as we know, half of Canadian teenagers do not get enough sleep on school nights, _____?

A. do they                                                B. don’t they

C. don’t you                                      D. isn’t it

【回答】

A

知识点：疑问句 反义疑问句

题型：选择题