It’s reported that scientists have________ an effective way to deal with H1N1.–Really That’s great!

You have to wear special clothing, a helmet and a life jacket ____ your raft gets turned upside down or sinks

what do you think of the story—It’s very interesting. It makes us .

Theplayers_________from the whole country are expected to bring us honor in thissummer game　

The air in Taizhou is getting ________ cleaner now than a few years ago.