问题描述: who play football?和who plays football?哪一个对,需要联系上下文吗? 1个回答 分类:综合 2014-11-26 问题解答: 我来补答 who plays football?对,因为who指代不明时,表示单三,所以play需变单三加s,——plays 展开全文阅读