(don't) have to / should(n't) / mustn't

You ......... smoke. It's bad for your health.

I ......... wear a uniform to school. (yes)

We ........ come to the institute on Saturdays

Mat wants to lose weight. He ...... eat healthy food.

You ....... bite your nails.

A: I feel sick. B:You .......... eat so much cake.

They...............learn more English vocabulary because they have a test next week.

She has fever. She .......... stay at home.

You ..... smoke on the bus. It's prohibited.

Tom ......... get up early today because it's Sunday.

Mum to kid: "You ......... play with fire"