It is important for students to learn how to          well with each other.

—Why does Lucy look sad?
—Because she        with her best friend just now.

We should keep the door        because it’s cold outside.

They will provide some delicious food        all the children.

Tom can        his bed and        his clothes.

Her son        Coke, but now he        milk.

Scientists are trying their best to       ways to fight against the terrible disease.

Lily        her mother. But she is a little taller than her mother.

—Why do you collect so many old bikes?
—I’ll have them       and give away to the children who don’t have bikes.

Jim, your room is too dirty. You must       .