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

Shall we request the chairman（）our suggestion again?

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

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

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

I don't know who on（）stole the diamond last night.

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

Since we can't hear you at the back of the hall, you'll have to（）your voice.

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

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