When did the couple die It was on May 12____the earthquake hit WenChuan County__请问横线处填when 还是that 丽莉

问题描述:

When did the couple die It was on May 12____the earthquake hit WenChuan County__
请问横线处填when 还是that 丽莉

that 强调句型

when
这是定语从句,修饰May 12的.