Modals of Obligation

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

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

• should

• don't have to

• can't

• have to

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

• should

• don't have to

• can't

• have to

Teachers _______________ check their social networks while they are teaching. They will get in trouble!

• can

• should

• don't have to

• can't

In my opinion, friends __________ tell lies to each other. True friends never lie!

• can't

• shouldn't

• should

• can

You _______________ turn off your phone while you are at the bank.

• shouldn't

• have to

• don't have to

• should

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

• should

• can

• don't have to

• have to

Look at the poster...

• He doesn't have to keep silence here

• He has to keep silence here

• He mustn't keep silence here

• He must keep silence here