Insert have to, don’t have to or needn’t in the right form. 1) she work a lot or she won’t get money. 2) we organize this party if we want to have a quiet evening. 3) he spend lot of time on studying english because he knows it pretty well. 4) they wake up at 6 a.m. to be in time for their meetings. 5) i learn how to drive because i don’t have a car.
2) don't have to
3) needn't
4) have to
5) needn't
2) don't have to
3) needn't
4) have to
5) needn't