Question

Rewrite the sentences using must,mustn't, need to,has to,don't have to
2It isn't necessary for children to buy a ticket
Children..............................
3It's our duty to look after our health
We........................................
4It's necessary for Assel to do her exercises
Assel....................................
5It's against the rules to play football here
We........................................

Answer 1

Children don't have to buy a ticket.
We must look after our health.
Assel has to do her exercises.
We mustn't play football here.