问题描述: To understand American accents is sometimes hard (用it作主语改写) 1个回答 分类:数学 2014-10-17 问题解答: 我来补答 It is sometimes hard to understand American accents 祝你学习进步,更上一层楼!(*^__^*) 有不会的可以再问我:) 展开全文阅读