问题描述: Dave sometimes helps in house at the weekend.怎么改为一般疑问句? 1个回答 分类:英语 2014-10-13 问题解答: 我来补答 Does Dave sometimes help in house at the weekend? 如果您认可我的答案,请点击下面的“选为满意回答”按钮,谢谢! 展开全文阅读