Ответ:
2
1. He has to get up early for school.
2. Do they have to wear a uniform at school?
3. I must go to the library.
4. Children are not allowed to buy cigarettes.
5. Can we go to the park?
6. In the UK, you can't drive a car until you are seventeen.
7. Could you go to discos when you were young?
4
2. a
3. a
4. b
5. a
6. c
7. c