The aircraft vanished without（）

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

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

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.

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

He never（）to read the news but turned at once to the crossword puzzle on the last page.

The survivors（）to a floating tree in hopes of rescue.

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

We forgave her anger because we knew that her father's illness had put her under great （）