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

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

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

Our department（）courses in several foreign languages.

People appreciate（）with him because he has a good sense of humor.

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

The weakening housing market continued to take its（）on the industry.

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

I expected a bigger payment, but I suppose you have to be（）for small mercies.

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