帮我写一篇英语作文！题目是wang ping's happiest day

yesterday is wang pin's birthday ! i was invited by wang pin !we held a birthday at wang pin's home ~at first ,we watched cartoon ,then we played PSP ~last we ate birthday cake together ~we had a good time ~wang pin said that is he happiest in all of his life ~ 有点简单 ~汗 想了这么久 才给我15分啊~汗死~~~多给点分吧