Complete the school rules with must and mustn't.

Let's fill in the blanks for the school rules! 1. You **must** arrive five minutes before the first lesson. 2. You **mustn't** run in the classrooms. 3. You **must** be quiet during a test. 4. You **mustn't** give your homework to the teacher late. 5. You **mustn't** fall asleep in class! 6. You **must** put your hand up to ask a question! Explanation: * **Must** is used for rules that you have to follow. * **Mustn't** is used for rules that you are not allowed to break.