写一篇英语作文,要求：(1)对夏令营的理解；(2)参加夏令营的目的

:Dear sirI’m Li Hua from Fujian. When I was reading the advertisent , the aim of this activity impressed me greatly, I think it instructive to learn to live together by living together. It is a good opportunity for the only child like me to learn to share and work together. Therefore I recommend myself to you without hesitation.>>As a boy of 17, I am outgoing, good at English and have experience of working well with children aged from 7 to 12, I think it is a kind or win-win activity. For one thing, I can help take care the children. For another thing, I can improve my English, make more friends, and enrich my life during the summe