TheShanghai World Expo ________ a large

     Young people are often unhappy when they're with their parents. They say that their parents don't 
  1    them. They often think their parents are too strict with them.    2    often find it difficult to win
their children's trust (信任). They seem to forget how they themselves felt when they were     3   , so
they can't quite understand young people now.    
     For example, young people like to do things without much thinking. It's one of their ways to    4    
that they have grown up and they can do    5    any difficult things. And    6    people worry more easily.
Most of them usually    7    what they will do carefully, while young people don' t.
     Young people often make their parents angry by clothes they    8    , the music they enjoy and
something else. But they don't mean to cause any trouble.    9    just feel that in this way they can be
far away from the old people's    10    and they want to make a new culture of their own. And    11    
their parents don't like their music or clothes or their way of speaking, the young people feel very  
    12   , because sometimes they even don't want their parents to say "Yes" to what they do. They
    13    to stay at home alone and do    14    they like.
      I think young people should try to    15    their parents to understand them. If so, they can get on
well with each other.