Must Have to Should

You _____ have a visa to enter the USA.

• must

• have to

• should

• mustn't

You _____ drive on the left! Here we drive on the right!

• mustn't

• don't have to

• shouldn't

• must

You _____ pay to visit most museums and art galleries. Entrance is usually free.

• mustn't

• don't have to

• shouldn't

• should

My sister is a nurse, so some weeks she _____ work nights.

• must

• has to

• should

• have to

You ____ visit the Statue of Liberty. It's very impressive.

• must

• have to

• should

• don't have to

You _____ smoke in any public building. It is prohibited by law.

• mustn't

• don't have to

• shouldn't

You _____ wear a seat belt at all times in a car.

• must

• have to

• should

You ____ go everywhere by subway. You can take the bus.

• mustn't

• don't have to

• shouldn't

You ____ switch off your phone during take-ff and landing.

• must

• have to

• should

You ____ take warm clothes with you to Dublin. It might be cold at night.

• must

• have to

• should