谈论家庭的英语作文，单词六十个的

I have a big family . There are seven people in my family , they are my grangparents , my parents, my sister , my brother and I . My grandpa is seventy-seven years old , but he is energetic , he likes exercising , he often makes us laugh . My mother is the busiest in my family , she cooks three meals a day , she has to clean our house and does some washing . My sister works in a Middle School , she loves her work . I am a student , I am thirteen years old , I study hard , I want to be an engineer when I grow up .