阅读短文，用方框中所给单词的适当形式填空，使短文意思通顺、完整。每空限填一词，其中有两个词是多余的。

century,   remember,   we,   show,   think,  understand, serious,   but,   quick,   with,   happy,   month

     March 5 is“Lei Feng Day”. It started fifty years ago. Now half a     has passed. Is the spirit of Lei Feng outdated? Some people have    us that it is not. But people have also changed the ways in which they help others.
Zhao has been a volunteer for 18 years. She still    her experience at an old people`s  home several years ago. An old man held her hand and said,“You don`t need to anything for . Seeing young people here is all we need. ”Those words made Zhao   in what ways can we better help people?        Besides Zhao,other people have shown their    of the spirit of Lei Feng. Last January ,“noodle fever” swept Zhengzhou, Henan. One local man, Li Gang , said in his post that he had a   illness and needed lots of money for an operation. However, what he asked for wasn`t charity,  for more people to come to eat noodles at his restaurant. Li’s post spread  . Soon his restaurant was filled customers(顾客) every day and Li was able to afford to have his operation on February 2.
In this way, people could help Li without hurting his dignity(自尊)。