问题描述： 可以用介词+关系代词或关系副词之类的,引导非限制性定语从句吗? 1个回答 分类：英语 2014-09-21 问题解答： 我来补答 可以,如：we are short of two more people,without whom we will need three more days to finish the work. 展开全文阅读
