I don't know who on（）stole the diamond last night.

The survivors（）to a floating tree in hopes of rescue.

He will behave(crazy)（）if he drinks too much.

His company promised to pay for his health （）in addition to other benefits.

In China,it is quite (nature)（） for people to go back home for the Spring Festival.

Nobody knows how long and how seriously the shakiness（不穩(wěn)定） of big businesses will （） down the economy.

I could not persuade him to accept it,（）make him see the importance of it.

He never（）to read the news but turned at once to the crossword puzzle on the last page.

The price they offered for my old car was so low that I（）it down.

Since we can't hear you at the back of the hall, you'll have to（）your voice.