It's a hospital. You ___ smoke.

He had been working for more than 11 hours. He ___ be tired after such hard work. He ___ prefer to get some rest.

I ___ speak Arabic fluently when I was a child and we lived in Morocco.

After we moved back to Canada, I had very little exposure to the Arabic and forgot almost everything I knew as a child. Now, I ___ just say a few things in the language.

The teacher said we ___ read this book for our own pleasure as it is optional. However, we ___ read it if we don't want to.

___ you stand on your head for more than a minute? No, I ___ .

If you want to learn to speak English fluently, you ___ to work hard.

Take an umbrella. It ___ rain later.

You ___ leave small objects lying around . Such objects ___ be swallowed by children.

People ___ walk on grass.

Drivers ___ stop when the traffic lights are red.

___ I ask a question? Yes, of course.

You ___ take your umbrella. It is not raining.

___ you speak Italian? No, I ___ .