Ответ:
Объяснение:
Ex 3 p 109
1. I have to walk to school.
2. My parents have to get up at 6 am.
3. My best friend has to/doesn't have to leave home early.
4. Students mustn't eat in the classroom.
5. I have to/don't have to learn Spanish.
6. My friends and I have to/don't have to help at home.
7. Mum has to/doesn't have to drive to work.
8. We mustn't run in the corridors.