问题描述: We ______(help) grandma li with the housework this suday. 1个回答 分类:英语 2014-10-25 问题解答: 我来补答 helped星期天是一个星期的头一天,所以此处的this Sunday应该是个过去的时间 再问: Let's go and ask for help.(改为反意问句) 再答: Let's go and ask for help,shall we? 展开全文阅读