Such people _______ knew Tom thought he was something of a musician.

Our city looks more beautiful!-Yes. Lots of trees and grass ______ since last year.

Here are three books on history．Which one would you like to borrow— ______. You see，I’m interested in geography these days.

The old couple has ____ a lot since their only son was killed in an accident two years ago.

Mary: I think you should call Tom and saysorry to him.Ted:!It was his fault.