标签：话题作文 节日 劳动节
字数：550字
提要： Last Saturday--April 28th, my classmates and I went to the park near my school. Can you guess what we did there?Not for amusement but to take part in a volunteer labour. We reached the park at nine o'clock. The whole class was divided into three groups. I was in Group Three. Each group had different tasks. Group One planted trees and watered flowers. Group Two was told to pick u..