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

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

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

Shall we request the chairman（）our suggestion again?

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

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

The aircraft vanished without（）

The price they offered for my old car was so low that I（）it down.

An explosion is a sudden increase in amount（）

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