2-16.Plase tell me what has happened ,when it happened ,how it happened and what has done about it
问题描述:
2-16.Plase tell me what has happened ,when it happened ,how it happened and what has done about it
has done 错了 应该改为 为什么~
答
has been done
因为意思是对于这件事做了什么/什么事被做了
是被动态