根据所给图画，用英语写一篇约80词的短文。要求完整叙述故事内容。
提示词：垃圾桶 trash can, 文明——只差一步 one step closer to civilization
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One day it was warm and sunny.I went to school with my classmate, Wang Tao. On the way to school,we sang and danced. Suddenly we saw a trash bin, and there was some trash outside it.
“It isn’t a good thing to put the trash outside of the trash bin.” I thought. So I quickly picked up the trash and put it into the bin. Wang Tao was writing something on a paper when I picked up the trash. After he finished writing, I saw the words were“one step closer to civilization”.We put the paper on the trash bin and went to school together.
We felt very happy today because we did a meaningful thing.
题目分析：这是一篇根据所给图示写一篇叙事完整，语句规范的作文。这就要求仔细观察每幅图画的内容，然后考虑用什么样的句子来描述图画。细节方面就要注意时态，语法以及衔接词的运用等。
【亮点说明】这篇文章语言规范，叙事清楚，词汇及时态运用正确，能够把图画中的内容叙述清楚，做到了首尾呼应，是一篇不错的文章。