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

The aircraft vanished without（）

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

After she became a lawyer, she decided to （）criminal law.

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

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.

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

People appreciate（）with him because he has a good sense of humor.

An explosion is a sudden increase in amount（）