結構：

　　Part1： Among various kinds of things/persons in my mind， …is the most unforgettable one.

　　Part2： On a sunny/rainy morning， while I was …First of all… Then…　After that…In the end…

　　Part3： he/she/this was one of the most meaningful/enjoyable/unforgettable persons/things that I have ever met/experienced， I will remember him/in forever.

　　Part1:在各種事情/人在我看來,…是最難忘的一個。

　　第二部分:在一個陽光明媚的/下雨的早晨,我…首先…然后…,…最后…

　　Part3:他/她/這是一個最有意義的/有趣的/難忘的人/事我見過有經驗,我會永遠記得他/。

　　加分句子：

　　Sth impressed me greatly

　　What impressed me most is that…

　　I admire Helen because she is optimistic about life.

　　Developa better relationship between each other.

　　Before leaving we took some photos to record our green action. Seeing the lines of trees， we all had a sense of achievement. We feel it’s our duty to protect and beautify our environment.

　　某事給我的印象大大

　　最讓我印象深刻的是…

　　我敬佩海倫,因為她對生活很樂觀。

　　Developa更好的彼此之間的關系。

　　離開前我們拍了一些照片來記錄我們的綠色行動。看到的樹,我們都有成就感。我們認為是我們的責任保護和美化我們的環境。