问题描述: TADAY LUCY HAS A LOT OF THINGS TO DO为什么在THINGS后面一定要用to do呢?DOING行不行 doES呢?或者直接用DO 1个回答 分类:英语 2014-09-24 问题解答: 我来补答 have somthing to dohave something to say必须用圆形 展开全文阅读