More TV programs, according to government officials, will be produced __________ people's concern over food safety.
Changbai Mountain is one of China’s largest nature reserves, and has many ____ plants and animals.
Mrs. Green went back home hurriedly, where her two little twins were crying, _____ they were hungry.
Parents have a duty to ____ their children from the harmful effects of the Internet.
Qiandao Lake, widely known ______ a tourist site, is famous _____ its clear and drinkable water.
We have every reason to believe that __________ 2012 London Olympics will be ________ great success.