— Enough sleep is good for teenagers. — Quite right. If you            for your favorite TV programs, you will feel sleepy.

I’ve worked with child before, so I know what ________ in my new job.

I’d rather _________vegetables than __________ meat for lunch.

Don’t ____sad(伤心难过的). Let’s go and fly a kite.

The shy girl prefers _____ in the KTV to _____ on the stage.