答案：
As we grow up, there are many things happening to us, which have great impact on our future in life.
When I was in the middle school, I didn’t do well in my English. It was my English teacher who instrusted me in English study. Words fail me when I want to express my thanks to my teacher. He has taken good care of my studies since I came to this school..When in trouble, I often turned to him for help .He always encouraged me and gived me good advice. I still remember that once I failed in an English exam and was upset. He cheered me up and told me some good ways to improve my English.
With the assistance of my teacher, I've made great progress in English. I'm so thankful for his love that I'll work harder and wish to be an English teacher in the future.
题目分析：考查开放性作文。开放性作文给出了一个话题，并有部分的文字提示。给考生自由发挥的余地较大。对于考生的综合能力要求较高，要求考生有很强的谋篇布局的能力和组织要点的能力。在完成开放性作文时，首先要选择自己熟悉的短语或者句型，在你的能力范围之内，选择句式时要赋予变化，因为这样你才可以更好的驾驭。同时也要选择合适的连接词，把各个要点组织成一个完整的整体。
【亮点说明】As we grow up, there are many things happening to us, which have great impact on our future in life.这句话用了非限制性定语从句， It was my English teacher who instrusted me in English study.这句话用了强调句， Words fail me when I want to express my thanks to my teacher.这句话用了高级词汇fail， When in trouble, I often turned to him for help . 这句话用了省略句， With the assistance of my teacher, I've made great progress in English. I'm so thankful for his love that I'll work harder and wish to be an English teacher in the future.这句话用了so…that…句型。