The aircraft vanished without（）

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

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

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

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

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

The weakening housing market continued to take its（）on the industry.

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

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.