紧张而又忙碌的初中生活即将结束，请以“My unforgettable(难忘的) Middle School Life”为题写一篇短文。短文首句已给出。
要求：
1. 文中不得出现真实人名和校名等相关信息；
2. 词数80-100. 短文题目和开头已给出，不计入总词数。
参考词汇：learn, spend, be interested in, be busy with
My Unforgettable Middle School Life
How time flies! _________________________________
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