2017中国治安最好城市:Look! Class Two------eye exercises.
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A is doing
B are doing
B are doing
b
这里是只2班的同学,不是说一个集体
强调每个学生都在做眼睛保健操 集体复数
B are doing
选B are doing
Class Two指的是2班的学生,所以谓语用are
B are doing,Class Two这里指班级里面的学生,应该是复数!
A. is doing