По . много . rewrite the sentences using must , mustn't,has ,to,don't have to. 1)it isn't necessary for children to buy a ticket.children 2) it's our duty to look after our health. we 3)it's necessary for assel to do her exercises.assel 4)it's against the rules to play football here.we
2)We must look after our health.
3)Assel has to do her exercises.
4)We mustn't play football here.
Про не забудь)))