Many students found the book （）;it provided them with a large amount of information on the subject.

The aircraft vanished without（）

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

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

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.

I was（）than angry when I saw how they'd ruined the landscape.

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

An explosion is a sudden increase in amount（）

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