This is the girl (who/whom) I have a deep love for / I love deeply. 关键词语： love sb deeply = have a deep love for sb. 深爱某人 该句用到了非限制性定语从句（“。。。。。。的”）。关系代词在定语从句中作宾语时，关系代词可以省略。例如： That is the car (which / that ) I bought yesterday. 那就是我团震昨源舞天买的汽车。 He is the man (who/whom) I am looking for. 他就是我正在找的人。 但是，介词提前时， 关系代词不能省略，也不能用who代替whom, that代替which。例如： Here is the book in which he is most interested. 这就是他最感兴趣的的书。 The house of which the windows face south is a shop. 那座窗户朝南的房子安碗残是一家商店。 She is the girl with whom you will go tomorrow. 她就是明天同你一起去的那位姑娘。