用方框中所给词的适当形式填空。

hard, easy, long, good, bad

You will get _______ if you do more exercise.
The Yangtza River is _________ than the Yellow river.
It’s ________ for us to get information with the help of computer.
We lived a _______ life in the past. We didn’t have enough food.
The result of the exam is ________ than before.