must/have to/should

We _______ wear a uniform at work.

• don't have to

• shouldn't

You ______ stay up all night studying

• shouldn't

• have to

I think you _________talk to your boss.

• should

• mustn't

You ______ drink and drive.

• don't have to

• mustn't

I think he ________ work long hours.

• mustn't

• should

Nurses _______ work long hours.

• have to

• should

You _______cheat during the exam.

• don't have to

• mustn't

She ... go bowling.

• doesn't have to
• don't have to
• have to
• musn't 

You ... spend the money for it. This is ugly!

• don't have to
• must
• should
• have to

You __ use your phone in quiet zones.

• don't have to

• mustn't

• should