你的同学Tony本学期与以前相比变化很大,根据下面提示写一篇段文,描写他的变化(一)What did he used to do?1.sleep or talk in class 2.fight with other studens 3.don't do homework or do it badly. (二)What does he often do? 1.listen to teacher carefully 2.get on well with others 3.do homdework well离问