问题描述: It's impolite to keep s____ when our parents are talking with us. 1个回答 分类:英语 2014-11-19 问题解答: 我来补答 It's impolite to keep silent when our parents are talking with us.父母和我们谈话时,保持沉默是不礼貌的解析:It is adj to do 做...很...,keep 在这里是系动词,后面接形容词.祝开心~! 展开全文阅读