九十秒的英语自我介绍大约需要多少字

Hello everyone.My name is xxx.I’m a happy girl/boy.I’m thirteen years old.I have two big eyes and my hair is long/short.I’m studying in Class x,Grade x of xxx School.My school is very big and beautiful.
I have some hobbies,listening to music,looking for things on the Internet,reading books and watching TV.I like English and maths.They’re interesting.
I have a happy family.My father is a driver and my mother is an office worker.They love me very much.I like them too.
不过话说你几年级了

大概80---100英文不多