We don't water trees on Monday. Do you water trees on Monday? What do you do on Monday? 百度教育团队【海纳百川团】为您解答 以后有问题可以直接向我或【海纳百川团】提问哦～ 请点击“选为满意答案”按钮, 再问： water后面不用加ed吗？ 再答： 你好，如果是watered 那么改为： We didn't water trees on Monday. Did you water trees on Monday? What did you do on Monday? 百度教育团队【海纳百川团】为您解答 如满意，请点击“选为满意答案”按钮，谢谢～
