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

An explosion is a sudden increase in amount（）

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

The weakening housing market continued to take its（）on the industry.

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

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

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

I expected a bigger payment, but I suppose you have to be（）for small mercies.

The aircraft vanished without（）

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