向朋友介绍你的家人,要用到句型"this is…",字数不少于50字

hello, i am Mary,let me introduce my family to you, this is my mother ,she is a teacher in a middle school. this is my father , he is an office worker . this is my brother, he is younger than me and he is a good student in school, i am a student too and i am 13 years old. i have a happy family, we are all loveing each other