Don’t laugh ___ others. You should help them when they are in trouble. A. at B. to C. of
—Is this your computer game, Tom? —Yes, it’s _______.
- __________ our radios? -They're on the bookcase.
-Where are the __________? -They are on the desk.
—Is that your baseball? —__________. That’s her baseball.
I know father’s mother is my _______