“China Daily” is        a newspaper. It helps greatly to improve our English.

A study has proven old people who are ______eaters of fish during their youth lose fewer brain cells. 

Nowadays, _______ cars are more and more popular.

As economy worsened, jobs ______ to the laid-off workers continued to be scarce． 

----How about your trip to Hainan?----It couldn’t have been _____. Sometimes I went swimming in the sea; sometimes I lay on the sand.