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

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

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

Our department（）courses in several foreign languages.

The noise of the traffic（）Paul from his work.

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

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

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

She had clearly no（）of doing any work, although she was very well paid.

An explosion is a sudden increase in amount（）