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

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

An explosion is a sudden increase in amount（）

Anne（）from outside her home last Wednesday.

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

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

Shall we request the chairman（）our suggestion again?

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

Mr. Edward was not in, so his brother acted as （）at the party.

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