The aircraft vanished without（）

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

She couldn't（）laughing at him in those clothes.

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

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

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

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

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

I expected a bigger payment, but I suppose you have to be（）for small mercies.

He（）for military service against the wishes of his parents.