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

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

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?

She is very nice, but because she has a（）way of speaking, she is slow in making friends

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

She couldn't（）laughing at him in those clothes.

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

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

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