Choose the correct option.
1 You don't have to / mustn't go the party if you
don't feel like it.
2 He has to / has take the bus to get to school.
3 I'm tired because I have / had to stay up till late to
finish my homework last night.
4 We don't have to / mustn't use our mobiles at
school.
5 What time does he have / has to get up in the
morning?​