Реши

Ответ:

1. You mustn’t run in the halls at school.
2. You mustn’t be mean to your classmates.
3. You must treat your teachers with respect.
4. You must do your homework every night.
5. You mustn’t talk in class.
6. You mustn’t eat or drink at your desk.
7. You must be on time.
8. You must always wear your school uniform.

Правило:

• must — должен, обязан;
• mustn’t — нельзя, запрещено.

Запреты стоят в предложениях 1, 2, 5 и 6, а обязательные правила — в 3, 4, 7 и 8.