求一篇英语作文 假设这学期你们班班风发生转变 过去 现在 迟到 提前到校 上课吃零食 认真听课 向窗外看 聊

This semester our classmates have been changing a lot.
They go to school early before the class,listen the class
seriously.Can you image that?In the past,they were always gotting to school
late and were waching outiside or talking or ate in the class.
Now our teacher are very proud of us.