what did you do at lunch time yesterday?What were you doing at lunch time yesterday?有什么区别?
问题描述:
what did you do at lunch time yesterday?What were you doing at lunch time yesterday?有什么区别?
答
一个一般过去式,表示对过去事实的陈述.换句话说,就是说 你在那个【时间段】干过了什么;
一个过去进行时,则表示在某个时刻正在干某事.强调该【时刻】的某个具体动作.