- --What's your brother?- --He's a teacher. He art at a school。
The teachers hope all of us can hand _______ our homework _______ time every day.
It ______ me about 10 days ______ painting the walls.
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.