She is very nice, but because she has a（）way of speaking, she is slow in making friends

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

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

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

Mr. Sanders has been asked to（）the next meeting of the committee.

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

Our department（）courses in several foreign languages.

She couldn't（）laughing at him in those clothes.

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

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