Modals of Obligation

We have a lot of work tomorrow. You ___ be late.

You ___ tell anyone what I just told you. It's a secret.

The museum is free. You ___ pay to get in.

Children ___ tell lies. It's very naughty.

John's a millionaire. He ___ go to work.

I ___ do my washing because my mother does it for me.

We ___ rush. We've got plenty of time.

You ___ smoke inside the school.

You can borrow my new dress, but you ___ get it dirty.

We ___ miss the train, because it's the last one tonight.