问题描述： 请问it be…before…的句型用法…比如说it was 3 years before he … 1个回答 分类：英语 2014-11-19 问题解答： 我来补答 It was/will be+时间段+before...过了…才… eg:It was three years before he finished the work.他花了三年才完成这项工作.It will be three years before he finishes the work.他得花三年才能完成这项工作. 展开全文阅读
