Must/ Mustn't

Stop watching TV. You_______ do your homework.

I_______brush my teeth.

You _______play on the road.

You_________ listen to your parents.

You_________ throw litter.

I _______tidy my room.

You _________ drink dirty water.

Your shoes are dirty. You _______clean them.

You_________ be careful when you travel.

You _________ always wash fruit and vegetables.

You _________make a noise during a lesson.

You _______be late for school.