帮忙写一篇英语作文：给你朋友写一封信,介绍一下你星期天去公园野餐的情况,不少于50个单词

My dear friend：Hello!I want to share my picnicking experience in the park on sunday with you,because I was so happy and really had a good time there.In the morning,it was sunny,so my parents and I br...