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.

An explosion is a sudden increase in amount（）

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

The aircraft vanished without（）

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

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

Anne（）from outside her home last Wednesday.

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

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