I don’t think it is a good way. Can you ____________another one?
—I’m tired out these days.--Well, you’d better keep a _____ between work and play.
The energy from the sun and wind is very cheap and it will never .
People ______ drive after drinking alcohol(酒). It’s against the law.
–Would you mind asking Jenny to show me around Meilanfang Park?--____________. She’s busy with her work.
–How long can I _____ this novel Gulliver’s Travels?-- Only two weeks.