When I was a student in the middle school, I was a shy girl. （尤其）when the teacher asked me to speak in front of the class, I was so afraid of making a mistake. That's why I lost lots of （机会）to show myself and I was not very happy. What a （遗憾）! But in fact, I was not a （粗心的）girl and I always try to do everything right. Now, I'm a student in the （大学）, so I'm （改善）myself. I meet a good teacher Ms. Huang. I ask her for some （建议）. She always asks us to tell stories or show our ideas in class. It is very （令人放松的）, so I decide to speak more often than （通常的）. I believe that I won't （打败）myself any more in the future.