Modals of obligation and prohibition - Intermediate

Sorry, I can't come out tonight. I ________ to study.

• must

• have

• should

Thanks, but I ___________ stop eating cakes.

• have

• must

• ought

Stop! You ________________ drink that!

• must

• mustn't

• have to

• don't have to

My doctor says I ___________ to eat more vegetables.

• ought

• out

• should

• must

I have _________ work early. The traffic will be really bad today.

• leave

• leaving

• to leave

• to leaving

You _____________ drive over 40 mph here! You might get a fine.

• shouldn't

• don't have to

• ought not to

• mustn't

We ______________ wear smart clothes to the office. A lot of people choose to wear jeans.

• have to

• must

• don't have to

• mustn't

I think you ______________ dye your hair pink. It would look good.

• should

• ought

• must

• have

You _______________ use your phone late at night. It will be harder to sleep.

• have

• must

• shouldn't

• shouldn't to

You __________ buy tickets BEFORE you get on the train.

• have

• must to

• don't have

• have to