问题描述: how long is their summer holiday?怎么用英语回答? 1个回答 分类:英语 2014-11-13 问题解答: 我来补答 回答:it's about two months 外语专家为您解答,满意的话我,采纳,谢谢!记得采纳啊 展开全文阅读