1.
(2020·哈尔滨)
As a middle school student, following the school rules helps you become better and better. So you shouldn't ________ at school.
①wear the school uniform ②fight with your classmates ③be quiet in the library ④run in the hallways ⑤eat snacks in class
A . ①②③
B . ②③⑤
C . ②④⑤