请根据音标、中英文提示或句意，写出句中所缺单词，使句子通顺。(5分）
The man is poor in money, but rich in_______（知识）.
Children should be educated(被教育) in a ___________(right of correct) way.
Many teenagers in the USA choose to travel _______ （国外）after finishing high school.
Listening to soft music can help you ____________(rest after work).
One hundred years is a ___________.