根据要求完成小作文，词数：约30词。（共5分）

The first thing we can do is to use cloth bags in stead of plastic bags when we go shopping. It helps to protect the environment. The second thing we can do is to reuse the old textbooks as possible as we can. We should also never forget to turn off the lights when we leave the classrooms in order to save energy. What’s more, it would be better if we walk or ride a bike to school. We should try our best to save our planet