Помогите написать письмо на новый год на английском(предложений должно быть много)

Dear Santa, I fulfilled the promise,which i gave to you in last year.I promise what i will help my mother and grandfather in general my  family. i begin hard work to give good marks. And how are you? Is much snow this year. Will cold? However i hope you understand my suggestions  and let all my family will be happy .Until the new Year!