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

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

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.

Some say yes and others say no; I don't know （）to follow.

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

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

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

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

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