初中生活已接近尾声。在过去的三年内，你成长和改变了许多，有过很多难忘的学习生活经历，和同学们参加过不少校园活动，例如运动会、英语日、研学游等等，留下了许多珍贵的回忆。校广播台现正开展以"My Unforgettable Memories in Junior High"为题的征稿活动，请你根据以下内容提示写一篇投稿作品。内容提示：
1. How have you changed? 2. What's your most unforgettable experience/ activity? 3. Why do you think it's meaningful? Something more about your school life memories.
注意：文中不得透露个人真实信息；词数100左右。开头和结尾已给出，不计入总词数。
My Unforgettable Memories in Junior High
How time flies! Three years passed in the blink of an eye.
I believe that junior high school has been a valuable experience for me, and I am grateful for all the memories I have made.
