问题描述: We know obeying the traffic rules is very important.动名词短语作什么成分? 1个回答 分类:英语 2014-09-30 问题解答: 我来补答 We know (that) obeying the traffic rules is very importantobeying ...动名词短语做宾语从句的主语 展开全文阅读