Must/mustn't

You _____ ride a bike without a helmet.

You ____ be careful when you cross the road.

You ____ do your homework.

You ____ cross the street at zebra crossings.

You ___ have a good lamp on your bike at night.

You ___ eat and drink in the swimming pool.

You ___ feed the animals in the zoo.

You ___ go to school on weekdays

You ____ use your mobile in the cinema.

You ___ listen to the teacher.

You ___ touch the paintings at the museum.