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

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

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

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

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

The aircraft vanished without（）

I want you to succeed without（）and firmly believe that you will succeed if you try hard enough.

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（）

Shall we request the chairman（）our suggestion again?