问题描述: Lucy and Lily could swim when they were five years old .一般疑问句及肯/否定回答 1个回答 分类:英语 2014-11-10 问题解答: 我来补答 Could Lucy and Lily swim when they were five years old Yes,they couldNo,they couldn't如果您认可我的答案,请点击下面的“选为满意回答”按钮, 展开全文阅读