I am a shy girl when at school.是哪篇英语文章中的?

I am at school 还是 I am at a school 求英语达人改错：I was once a shy girl in high school ,afraid of sing 英语翻译i was to be a shy girl i my primary school,i was weak in 英语翻译Dear Editor,I am a shy girl.I seldom speak to boys,even when there is a test at school ,I am always really cool. I am a 什么 at willow school. I am Liu Mei. I am a girl. I am a middle school student. My I am a very shy person. 英语作文if i am a girl 英语改错题目,十个错 I once was a very shy girl. I wasafr Lunch is my favuorite subject when I am at school.I am reall I  am a Middle School student.I am a girl. My name is W