Don't talk in class.上课不要讲话。
Don't talk too loudly.不要大声喧哗。
Don't eat in clss.上课不许吃东西。
Don't get your ears pierced.不要穿耳朵。
Don't smoke.不许抽烟。
Don't throw rubbish everywhere.不要乱扔垃圾。
Don't go to the Internet cafes.不要去网吧。
Finish your homework on time.按时完成作业。
Don't run in the hallways.不要在走廊上跑。
Don't be late for class. 上课不要迟到。
好好学习 天天向上↖(^ω^)↗
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