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

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

An explosion is a sudden increase in amount（）

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

His company promised to pay for his health （）in addition to other benefits.

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

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

The noise of the traffic（）Paul from his work.

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.