Заполняем пропуски, используя must, mustn't или can't:
- You mustn't run in the halls at school.
- You mustn't be mean to your classmates.
- You must treat your teachers with respect.
- You must do your homework every night.
- You mustn't talk in class.
- You mustn't eat or drink at your desk.
- You must be on time.
- You must always wear your school uniform.
Ответ: 1. mustn't, 2. mustn't, 3. must, 4. must, 5. mustn't, 6. mustn't, 7. must, 8. must