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

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

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

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

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

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

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

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

Shall we request the chairman（）our suggestion again?

Anne（）from outside her home last Wednesday.