Modals of Obligation

I __________________ get good grades, so I can go to university.

• can't

• have to

• don't have to

You ______________ spend the night at my place. We have an extra room for you.

• shouldn't

• don't have to

• can

Young people _____________ do military service anymore. It stopped last year.

• have to

• can't

• should

• don't have to

If you have a cold, you ____________ eat that chocolate ice cream!

• have to

• can

• shouldn't

• should

At my school, we _______________ wear our uniform every day. It's an obligation.

• can't

• shouldn't

• should

• have to

You ____________ drive a car without fastening your seatbelt. It's against the law.

• don't have to

• can't

• shouldn't

I _________________ wear my ID every class. It is mandatory.

• don't have to

• should

• can't

• have to

When taking a test, we _________ cheat. It is prohibited!

• should

• don't have to

• can't

• have to

The entrance for the art gallery is free. You ______________ pay.

• should

• can

• don't have to

• have to

At the zoo, we ____________ feed the animals. They might get sick!

• should

• don't have to

• can't

• have to