4. Complete the sentences with must or mustn't. (6x1)

4. Complete the sentences with must or mustn't.

ПРИМЕР: You mustn't talk in the theatre.

1. You must go to school.

2. You must be quiet in the class.

3. You mustn't be late for school.

4. You must finish your homework.

5. You mustn't eat in the library.

6. You must listen to the teacher.