在学习、工作或生活中，大家都经常看到作文的身影吧，作文一定要做到主题集中，围绕同一主题作深入阐述，切忌东拉西扯，主题涣散甚至无主题。那么问题来了，到底应如何写一篇优秀的作文呢？
My friend Mike has changed a lot in the last few years.In the past,he was thin and short.He was very quiet and did not like to talk with others.He always read books in his bedroom.And he was late for class from time to time.It made his teacher very mad.At home,he spent time watching TV or playingcomputer games but seldom spent time doing his homework.
Luckily,he has changed a lot with rhe help of his parents. He is tall and strong now and wears glasses .Hebecomes outgoing and gets on well with others.He goes to school on time and is always praised.When He is free,He likes to play basketball and read books.He listens to the teacher carefully in class and does well in homework.He is a Good boy now.I am really happy because of his changes and take pride in him.