21st Century is ______ a newspaper; it helps us know a lot about the world. 

The more often one takes exercise, ______ he or she will become. 

 —Did you find out the time of the train to Miami? —Yes, the early train is _______ to leave at 5:30 a.m.

Eric, a middle-aged fashion designer, is very happy because the clothes be designed have never been ________.

After the president made an official announcement, she expressed her_____ opinion.