Since we can't hear you at the back of the hall, you'll have to（）your voice.

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.

An explosion is a sudden increase in amount（）

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

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

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

She is very nice, but because she has a（）way of speaking, she is slow in making friends

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

Many students found the book （）;it provided them with a large amount of information on the subject.