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

We forgave her anger because we knew that her father's illness had put her under great （）

I just managed to（）a quick breath before I was pulled under the water by the passing boats.

Inquiries（）the condition of the patients may be made personally or by telephone.

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

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

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

Many students found the book （）;it provided them with a large amount of information on the subject.

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

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