写作思路及要点：审清题目，确定中心，选择材料。
Zhang Dong is my best friend. He came to our class last term. He is a boy.
张东是我最好的朋友。他是上学期来我们班的，他是个男孩。
Both of us are good at English, so we often chat in English in our spare time.
我们两个人都擅长英语，因此我们经常在课余时光用英语聊天。
After school, we often play football on the playground. He runs so fast that I can't catch up with him.
放学后，我们经常在操场上踢足球。他跑得个性快，我追不上他。
He is an excellent student. He is not only good at all subjects, but also friendly and modest.
他是个优秀的学生，他不但各科功课好而且很友善、谦虚。
He likes both pop music and classical music.
他喜欢流行音乐，也喜欢古典音乐。
There are three people in his family. He is the only child. My father is a doctor and my mother is a Peking Opera actor. Although Zhang Dong's family is relatively rich, his clothes are very simple.
他家有三口人，他是独生子。父亲是个医生，母亲是个京剧演员。尽管张东家境比较富裕，但是他的穿着却十分朴素。
He has a dream of becoming a lawyer in the future.
他有一个梦想，就是将来当个律师。
This is my friend, a clever and friendly boy. Both teachers and students like him.
这就是我的朋友，一个聪明、友好的男孩。老师和同学们都喜欢他。