— Bill, is the pink umbrella Anna’s?— No, it _____ be hers. Hers is purple.
The meat smells _____. You’d better throw it away.
---Do you mind my taking this seat? ---______.
There are many tall trees on ______ side of the street.
Last weekend, an English short play was _____ in the second hall.
Few people knew how to use the Internet in the past,_____?