Write at least 60 words about the topic “An Unforgettable Activity”. （以“一次令人难忘的活动”为题写一篇不少于60个词的短文，标点符号不占格。）
（注意：短文中不得出现考生姓名、校名及相关信息，否则不予评分。）
Questions for reference (以下问题仅供参考)：
● What kind of activity did you once take part in?
● What did you do in the activity?
● Why was it unforgettable?