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

I could not persuade him to accept it,（）make him see the importance of it.

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

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

He（）for military service against the wishes of his parents.

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

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

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

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.