Obligation Modals

Choose the correct option:

We ---- wear a uniform at work. There is no obligation for that.

• don't have to

• shouldn't

• mustn't

You ---- stay up all night studying, or you will be very tired tomorrow.

• have to

• shouldn't

• mustn't

This is an important issue. I think you ---- talk to your boss.

• mustn't

• must

• should

You ---- drink and drive. It is against the rules.

• don't have to

• mustn't

• shouldn't

He has worked for many companies for years. I think he ---- start his own company.

• mustn't

• should

• has to

Nurses ---- work long hours. Their job is really hard.

• have to

• should

• mustn't

You ---- cheat during the exam. It is prohibited.

• don't have to

• mustn't

• shouldn't

My work starts at 7 o'clock, so I ---- get up at 6.

• must

• don't have to

• should

This is his mistake. You ---- apologise for his behaviour.

• should

• mustn't

• don't have to

The summer holiday is coming. We ---- remember to book the tickets in a short time.

• must

• don't have to

• should