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

Mr. Sanders has been asked to（）the next meeting of the committee.

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

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

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

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

Our department（）courses in several foreign languages.

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

The aircraft vanished without（）

His company promised to pay for his health （）in addition to other benefits.