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

Our department（）courses in several foreign languages.

He will behave(crazy)（）if he drinks too much.

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

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

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

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.

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

After she became a lawyer, she decided to （）criminal law.