you don't know who you are talking to
问题描述：
you don't know who you are talking to
在这句话中 who 引导的是宾语从句,但从句缺少宾语呀,为什么不能用whom呢?
答
这句里用whom是对的,但是现代英语里尤其是口语里whom一般都被who代替了,也就是通用了.这是一道单项选择的题目，选项里边有who 和 whom 俩个，但答案选了who却不是whom那你就这样记吧：现代英语里，whom要跟介词连用。比如本例中，要说：You don't know to whom you're talking.