Don't run in the classroom.
No smoking!
You mustn't eat or drink in the library.
You should listen carefully in class.
When you want to answer questions,you should raise your hand.
You should finish homework and hand out it in time.
Don't talk in the classroom.
You should keep the desk and floor around you clean.
Frighting with other students is not allowed.
You should get on with each other well.
Don't be late for school.
Don't use mobile phone in the class.
