classroom rules 有哪些

First you are expected to reach school on time and never be late.
按时到校，不要迟到.
Keep my classroom neat and clean .
保持教室及位置整洁。
Don’t bring food or drink in the classroom .
请不要带食物及饮料进教室。
Follow my teacher’s directions .
请听从并尊重老师的指导
Do not write on the desks and protect your own desks and chairs.
爱护自己的桌椅.

教室纪律。