When he was alive, the old scientist used to say that knowledge ____from practice and he gained his experience by doing a lot of practical work.
The train had left, so we could do nothing but ________ another.
He became _________ his parents because he could make a living by selling newspapers.
—Hello, Jane. I come to say goodbye to you. I’ll start a new job in another company. —_______.
— Excuse me, could you tell me where I could make a call? — Sorry, I’m a stranger here. — ________.
—The window is dirty. —I know. It ______ for weeks.