Our department（）courses in several foreign languages.

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

Mr. Sanders has been asked to（）the next meeting of the committee.

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

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

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

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

The student's first attempt at writing a play was a far（）from the work of Shakespeare.

An explosion is a sudden increase in amount（）

The aircraft vanished without（）