Patience is an important of a happy and rewarding life. After all, some things are worth waiting for.
A. lesson
B. experience
C. purpose
D. quality
网友回答
A. lesson
B. experience
C. purpose
D. quality
解析： lesson教训； experience经历； purpose目的； quality品质，特性。根据句意可知，耐心应是一种品质。