-What should we do to help those ____ lost their homes in the earthquake?

问题描述:

-What should we do to help those ____ lost their homes in the earthquake?
A.who\x05B.whom\x05C.which\x05 D.whose
求理由为什么是A
以及A、B、C的用法

因为所填的词做后面句子的主语,有因为是人所以只能填who.whom 是用于宾格,它不能作主语.which是代替物的,不能单独指代人,懂了没?