Complete the sentences with must, mustn039;t or needn039;t.1. You arrive

Complete the sentences with must, mustn't or needn't.
1. You arrive in class on time.
2. You use mobile phones in class.
3. You bring a dictionary to English as there are some in the classroom.
4. You be polite to the teachers.
5. You do your homework on time.
6. You bring sandwiches for lunch. There's a canteen.
7. You go to afterschool activities.
8. You talk while the teacher is.
9. You leave any money in the classroom.
10. You bring your own paper. The school provides it