HAVE TO / DON'T HAVE TO / MUST / MUSTN'T

When we handle raw food, we _____ wash our hands.

The chef (a)   cook the chicken. (HAVE TO)

They ________ sell food after the expiry date.

You _________ cook pork completely.

The students (a)   arrive to class on time.

We ________ store raw food with cooked food.

I ___________ study for my test.

She _________ go to the hospital because she cut her finger.

The teachers ____________ study for tests.

The watier ___________ serve the food to the clients.