You _________ buy a new mobile. Yours is still working.

You ________ walk on the grass. It isn't allowed.

You ________ more exercise to get fit.

I ________ see you, it's too dark

I ________ to do my homework now.

There's a sign that prohibits diving in the pool, so you ________ do it!

You _________ believe everything you read in the newspapers. There's a lot of false information there.

She ________ play the piano. She is a musician.

You ________ swim here. It's forbidden.

You _________ spend too much time playing computer games. It's bad for your eyes.

You __________ touch this snake! It can bite you.

The book is optional. So, we_________ read it if we don't want to.

There's a lift in the building, so she _________ use the stairs.

He's a millionaire. He _________ work but he does because he enjoys it.