Amy, ________her mother, _______dancing very much.
Tom, it’s cold outside. _______ your coat when you go out.
______ fun it is to have ice cream in hot summer!
It’s said that ______ of the water around the world ______ polluted.
This is the school _______ we visited last year.
Many students in our school _______ the old and they usually offer their seats to them on buses.