问题描述： the old should be spoken to politely求翻译,其中副词前加to是什么用法? 1个回答 分类：英语 2014-10-28 问题解答： 我来补答 the old should be spoken to politely.被动语态我们应该礼貌的跟老年人说话.(we) should speak politely to the old.主动语态 展开全文阅读
