问题描述： should 和 be supposed to 的区别与用法? 1个回答 分类：英语 2014-09-29 问题解答： 我来补答 should do 应该做什么 直接加动词原形 You should clean the room.be supposed to do 理应做什么 you are supposed to clean the room. 展开全文阅读
