Did you show each student seventhings?的过去式
问题描述：
Did you show each student seventhings?的过去式
Did you show each student seven things?的同意句
答
本来就是过去式的疑问句啊?你是问过去世的陈述句?
I showed each student seven things.
哦,那就是 Did you show seven things to each student?