提示词语:trip, sunny, climb the hill, take photos, picnic, excited
提示问题:What's your most unforgettable class activity?
注意:①字数不少于50词。
②文中已给出内容不计入总词数。
③请不要写出你的校名和姓名。
What did you do?
How did you feel?
There are many class activities in my memory.