结构：

　　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:在各种事情/人在我看来,…是最难忘的一个。

　　第二部分:在一个阳光明媚的/下雨的早晨,我…首先…然后…,…最后…

　　Part3:他/她/这是一个最有意义的/有趣的/难忘的人/事我见过有经验,我会永远记得他/。

　　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.

　　某事给我的印象大大

　　最让我印象深刻的是…

　　我敬佩海伦,因为她对生活很乐观。

　　Developa更好的彼此之间的关系。

　　离开前我们拍了一些照片来记录我们的绿色行动。看到的树,我们都有成就感。我们认为是我们的责任保护和美化我们的环境。