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

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

• have to

• don't have to

• has to

• doesn't have

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

They ________ sell food after the expiry date.

• must

• mustn't

• have to

• don't have to

You _________ cook pork completely.

• has to

• doesn't have to

• don't have to

• have to

The students (a)   arrive to class on time.

We ________ store raw food with cooked food.

• must

• mustn't

• have to

• don't have to

I ___________ study for my test.

• must

• mustn't

• have to

• has to

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

• has to

• have to

• don't have to

• doesn't have to

The teachers ____________ study for tests.

• have to

• don't have to

• has to

• doesn't have to

The watier ___________ serve the food to the clients.

• mustn't

• must

• doesn't has to

• don't has to