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

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

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

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

I could not persuade him to accept it,（）make him see the importance of it.

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

Inquiries（）the condition of the patients may be made personally or by telephone.

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

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

Shall we request the chairman（）our suggestion again?