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

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

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

I tried very hard to persuade him to join our group but I met with a flat（）

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

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

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

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

He never（）to read the news but turned at once to the crossword puzzle on the last page.

People appreciate（）with him because he has a good sense of humor.