obligation

You ______ wear a uniform at work. It’s the company’s rule.

• must

• should

• can

In many countries, you ______ drive on the right side of the road.

• must

• could

• might

You ______ finish your homework before you go out. It’s important.

• should

• have to

• might

You ______ smoke in a hospital. It’s forbidden.

• don’t have to

• shouldn’t

• mustn’t

You ______ apologize if you’ve done something wrong.

• should

• can

• mustn’t

Tomorrow is Sunday, so you ______ wake up early.

• Mustn’t

• Don’t have to

• Should

If you want to improve your English, you ______ practice every day.

• Should

• Might

• Mustn’t

Employees ______ follow the safety rules at the factory.

• Have to

• Have to

• Might

You ______ bring your passport when traveling abroad.

• May

• Must

• Should

I ______ wear glasses when reading, but I prefer to.

• Don’t have to

• Have to

• Must