作文如下：

My FamilyI.

我的家人。

have a happy family.There are five people in my family.They are my parents，my grandparents，my sister，and I.

有一个幸福的家庭。我家有五口人。他们是我的父母、祖父母、姐姐和我。

My father and mother are businessmen.And my grandparents are farmers.I＇m a primary school student.My sister is four years old.She is lovely.

我的父母是商人。我的祖父母是农民。我是一名小学生。我妹妹四岁了。她很可爱。