问题描述: I was cooking when uncle wang visited my home 为什么连词不能用while? 1个回答 分类:英语 2014-11-05 问题解答: 我来补答 用while时 ,主从句都要用进行时或都是延续性动词的一般时态.如While he was reading a newspaper,i was watching TV,While he was in London,he made a lot of friends 展开全文阅读