Rewrite the sentences using must, mustn't, need to, 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. 4. it's necessary for assel to do her exercises. 5. it's against the rules to play football here. и еще одно ! rewrite the sentences using might 1. it is possible he'll feel better tomorrow 2. there is a chance i'll get a good night's sleep 3. i'm not sure if he will take up a hobby 4. it's possible that they'll follow my advice