Where's Tom? I'm getting worried about him.
I'm not used to ........ like that.
Heavy smoking is likely ......... her cancer.
My friens's new car ....
The new ring road .... long ago.
The decorator .......... the payment for refurbishing the house.
The reactions of the rats ...... by scientists.
He said strange things! He must .....
If the guard ....., the museum ....
This button .... in any circumstances.