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

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

I want you to succeed without（）and firmly believe that you will succeed if you try hard enough.

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

The aircraft vanished without（）

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

An explosion is a sudden increase in amount（）

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

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

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