Do you think that people are _______off than they were five years ago as our standard of living is improving.

You are a ______ man now; you are no longer a boy.

Entering the house we found him lying on the ground with his mouth ______ and eyes______.

Changbai Mountain is one of China’s largest nature reserves, and has many ____ plants      and animals.

In these years, the shortages of water has become a ______ problem.