1 . 假设你上周末参加了一次义务劳动，前去人民广场清洁打扫，请用英文将此活动叙述一下，80词左右。
提示：People Square 人民广场， voluntary labor 义务劳动
Last weekend, our class went to ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
