上個月，西安市政府迎接了創建全國文明城市巡檢。為配合此項工作，上周日，你們學校組織了一場名為"文明無句號，創建無止境"的環保活動。請根據以下圖片及提示，用英文寫一篇短文，簡要介紹你們的活動和感受。

參考詞匯：clean up；guide the pedestrians（行人）；volunteer；…
要求：
（1）使用參考詞匯，可適當發揮；
（2）語句通順，意思連貫，書寫工整；
（3）文章不得出現任何真實信息（姓名、校名和地名等）；
（4）詞數：不少于70詞。（開頭已給出，但不計入總詞數）
    To build a civilized city，our school organized an environmental protection activity last Saturday.We did many meaningful things.                                     

【考點】記敘文；環境保護．

【答案】To build a civilized city，our school organized an environmental protection activity last Saturday.We did many meaningful things.It was a fine day.Some of our classmates helped with the cleaning.There was a lot of garbage out there because of people's uncivilized behavior.We cleaned them up.Some students helped direct the traffic.If we encountered uncivilized traffic behavior，we would correct it promptly.Some students went to the nursing home.We tell them stories to make them happy.Although we were tired this day，we were very happy.