Look! This is my school. It is and beautiful. There was no androom ten years ago. There was no either. There was only one small building on a hill. Now you can see five tall buildings in my school .That is ourhall over there.

"My favourite teacher"为题，介绍一位你最喜欢的老师。

要求：表达清晰，语句连贯，不少于6句话。