It depends largely on who/whom he goes with介词后为什么可以用who啊?

题目

It depends largely on who/whom he goes with介词后为什么可以用who啊?

答案

这里的who/whom he goes with为介词on的宾语从句,who/whom是介词with的宾语,因为介词with没有提前,所以who和whom都可以.