选词填空：根据对话内容，从方框中选择恰当的单词填空。

A. us     B. students     C. at        D. sing       E. good

Hello, my name is Alice. I am from America. I'm in No. 6 Middle School. I'm  in Class Five, Grade Seven. There are fifty-five in my class. Miss Xie teaches English. She's a good teacher. She speaks English. I like my school and my teachers very much . I have some friends at school. After school we play the guitar and some English songs. We often meet half past nine on Sunday morning in the playground. We are very happy.