问题描述: My hometown is sure _____(become) richer and more beautiful in the future.怎么填? 1个回答 分类:英语 2014-09-29 问题解答: 我来补答 to become 再问: 为啥不是becoming? 再答: be sure to do sth 是个固定结构 “一定会。。。” 再如:He is sure to come. 他一定会来 展开全文阅读