Даю 40 баллов!!
Say the correct form.
1. I don’t have to / mustn’t do any homework this weekend.
2. Lilly doesn’t have to / mustn’t see the doctor. She feels better.
3. You don’t have to / mustn’t throw papers on the fl oor.
4. These are schoolbooks. We mustn’t / don’t have to write in them.
5. This museum is free on Monday. They mustn’t / don’t have to pay to get in.
6. His ankle is swollen. He doesn’t have to / mustn’t stand on his foot