Wh at’s the ____of the used car now —-It’s about $5000.

So many problems! I’m tired.—You should try to them by yourself. You are not a child any longer.

It’s really a ____________topic whether to clone a human or not.

ng in bed, he was _______ awake withhis eyes fixed on the ceiling

下列各句中，没有语病的一句是