An explosion is a sudden increase in amount（）

Shall we request the chairman（）our suggestion again?

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

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

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

He（）for military service against the wishes of his parents.

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

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