Modal Verb Practice

I’m getting fat. I really (a)   (try) to lose some weight, like the doctor said.

I’m not sure where Gary is. He (a)   (be) at the library.

That (a)   (not be) Bill’s car. He doesn’t own one.

Tom (a)   (sleep) now but I’m not sure. Why don’t you go and see?

Don’t worry. You (a)   (not dress) formally for the party.

If you wanted to borrow my car, you (a)   (ask) me.

This dog (a)   (belong) to Harry. It’s got his address on its collar.

Only authorised personnel (a)   (enter) this area.

You (a)   (not smoke) in some public areas.

I saw John in the city centre this morning. He (a)   (go) to London yet.