ing cars, use plastic bags, cut down on, recycle, natural food, save energy, reduce pollutions

　　_______________________________________________________________________

　　_______________________________________________________________________

　　_______________________________________________________________________

　　_______________________________________________________________________

　　_______________________________________________________________________

　　_______________________________________________________________________

　　书面表达参考答案

　　书面表达（2）

　　our class had a discussion about protecting the environment. here is my opinion. i think the environment is one of our biggest worries. it was found out that a lot of air pollution is actually caused by ordinary people, not just by big factories. there are so many things each one of us can do every day.

上一页  [1] [2] [3] [4] [5] [6] 下一页