Modals of Obligation

I'm not going to pay that bill! She ... pay it!

• mustn't

• doesn't have to

• has to

• must

Dennis! You ... hit your sister ever again!

• mustn't

• don't have to

• have to

• must

She has a very high fever. She ... visit the doctor at once!

• have to

• doesn't have to

• has to

• must

We are going to die if you keep driving this fast. You ____ slow down

• don't have to

• shouldn't

• must not

• should

Young people _____________ do military service anymore. It stopped last year.

• have to

• can't

• should

• don't have to

At my school, we _______________ have to wear our uniform every day. It's an obligation.

• can't

• shouldn't

• should

• have to

Doctors _____________ wear makeup for work. They can decide to wear it or not.

• shouldn't

• don't have to

• should

• can't

She __________ be more polite to others.

• might

• mustn’t

• have to

• should

You ... help me with the dishes, but I would appreciate it if you did.

• mustn't

• don't have to

• have to

• must

I have an important exam tomorrow. I ___ study hard for it.

• must

• mustn't

• don't have to

• can