1.You must listen to your teacher and carry out your teacher's orders.
2.You mustn't walk or run in the classroom.
3.If you want to ask something,raise your hand and ask:".May I go out,please?" or "Could you give me a book,Ms Smith?
4.You can'tuse your mobile phones in the lessons but you can phone your parents during the break.
5.There are lots of interesting books in the classroom and you can read them during the breaks and after the lessons.
6.You needn't bring your textbooks to school,we have extra copies in the classroom.
7.You can leave the classroom after the bell and with my permission.
8.Don't forget that you have to wear your school uniform at school.