what was your grandparents used to do when they were young 的意思是?急用

问题描述:

what was your grandparents used to do when they were young 的意思是?
急用

好像有点语法错误吧what did your grandparents used to do when they were young ?你祖父母年轻时常做什么?或what was your grandparents used to doing when they were young ?你祖父母年轻是习惯做什么?...