Fill in must, mustn’t, or can’t.

1. You must wear a school uniform. 2. You mustn’t be late for school. 3. You mustn’t talk in the halls. 4. You must treat your teachers with respect. 5. You must do your homework every night. 6. You can’t eat or drink at your desk. 7. You mustn’t run or climb in the corridors. 8. You must always wear your school uniform.