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.

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

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

She had clearly no（）of doing any work, although she was very well paid.

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

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

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

The aircraft vanished without（）

An explosion is a sudden increase in amount（）