问题描述: They are listening to music at the moment (对划线部分提问)(划线部分是they)今天就要 1个回答 分类:英语 2014-10-25 问题解答: 我来补答 Who is listening to music at the moment 无论是单复数,提问时一律用Who(视为单数) 展开全文阅读