The family _____ I stayed with in Paris are coming to London.

问题描述:

The family _____ I stayed with in Paris are coming to London.
为什么填whom?

I后面是一个定语从句,the family是先行词,还原回去也就是
i stayed with the family in paris.
with是介词,the family也就是宾语,whom就是宾格形式