This is the house (where) I lived ten years ago.This is a house (which) I bought ten years ago.为什么第一个填where,第二个填which?从句都没有宾语啊

问题描述:

This is the house (where) I lived ten years ago.This is a house (which) I bought ten years ago.
为什么第一个填where,第二个填which?从句都没有宾语啊