—When did you buy this computer? It looks so new.
—I         it for only a couple of days. My sister bought it for me as a birthday present.

The government         the homeless people         nice houses.

Everyone should make a contribution         the environment.

At last, Tom came up with a good plan.

During the exam, we must ______ nervousness.

--- My parents always tell me_________ others late at night.
--- They’re right. It’s not polite.

The computer _____ a television, doesn’t it?

Before you leave the classroom, please       the lights.

There_____ a hospital in my hometown fifty years ago.

I’m so excited. I can’t __________ visit the Summer Palace.