问题描述： I can't decide 是which one to choose 还是to choose which 1个回答 分类：英语 2014-12-15 问题解答： 我来补答 which one to choose 这个是固定句式,是疑问代词which,what,where等加上to do构成,给你举个例子：i don't know what to do.(我不知道该做些什么） 展开全文阅读
