请各位帮我看一下这个英文短文改错，感激不尽

请各位帮我看一下这个英文短文改错，感激不尽
Susan is seventeen year old.And she is very busy.She never has enough time for that she wants to do.Like many other girls about her age,she spends hours on the telephone,talks to her friends.She often goes out on the weekends,and she looks after children for other families to get some money. But,of course,during the school years she herself has a lot homework to do.During the football season,Susan is more busier than usual.She and others pretty girls are cheer leaders.