It was sunday afternoon. li ming and i were walking to the park. suddenly we saw a boy fall off his bike. we both hurried to him. since one of his legs was hurt badly, the boy couldn‘t stand up. he began to cry and we tried to comfort him. we put him on the bike and took him to hospital. the boy got treated at once. i telephoned his parents and told them about the whole story.

　　They thanked us again and again. it was dark then and we said goodbye to them. we felt happy though we couldn‘t get to the park

翻譯：
    星期日的下午。我和李明去公園散步。突然我們看見一個男孩從自行車上摔了下來。我們都趕緊跑向他。因為他的一條腿受了重傷，男孩不能站起來。他開始哭泣，我們試圖安慰他。我們把他扶上自行車然后帶他去醫院。男孩立刻得到了治療。我打電話給他的父母并給他們說了故事的全部過程
他們一再向我們表示感謝。天黑的時候，我們對他們說再見。雖然我們沒能去公園，但我們感到高興。