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

Nobody knows how long and how seriously the shakiness（不稳定） of big businesses will （） down the economy.

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

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

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

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

An explosion is a sudden increase in amount（）

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

Some say yes and others say no; I don't know （）to follow.

（）students often find it difficult to live in China at first.