定语从句中Who和Whom的区别：
1、定语从句中，指人的先行词我们用who或者whom做连接词，who用来做从句的主语，whom用来做从句的宾语。
2、This is a nurse who wears a white skirt，文中连接词who都做下文的主语，此时我们用who是最为恰当的。
3、而在连接词做下文的宾语时，更多的是用whom，She is a teacher whom I like best。
拓展资料
Who的用法
1、Who's there?
谁在哪儿？
2、Police have not been able to find out who was responsible for the forgeries
警方还未能查明谁是这些造假案的元凶。
3、There are those who eat out for a special occasion, or treat themselves
有些人会在特殊的日子或犒劳自己时出去吃饭。
4、Who is the least popular man around here?
这里谁最不受欢迎？
5、Who do you work for?
你为谁工作？
6、Who do you suppose will replace her on the show?
你觉得谁会代替她参加这场演出？
7、'You reminded me of somebody.' — 'Who?'
“你让我想起了一个人。”——“谁？”
8、I went over to start up a conversation, asking her who she knew at the party
我凑过去搭讪，问她这个聚会上都认识谁。
9、You know who these people are.
你知道这都是些什么人。
10、The woman, who needs constant attention, is cared for by relatives
那个需要长期照料的女人由亲戚们照看着。
11、The hijacker gave himself up to police, who are now questioning him.
劫持者向警方自首了，目前警方正在审讯他。
Whom的用法
1、Whom would it profit to terrify or to kill James Sinclair?
恐吓或者干掉詹姆斯·辛克莱对谁会有好处？
2、From whom shall I get comfort?
我从谁那儿能得到安慰呢？
3、About six thousand people were arrested, several hundred of whom have since been released
约6,000人被捕，后来其中的几百人又被释放了。
4、Being there gave me a chance to touch base with three friends whom I had not seen for a year.
在那里，让我有机会和一年没见面的三个朋友取得了联系。
5、What would I do? Whom would I run to? Momma was still away
我该怎么办？我能向谁求助？妈妈还没回来。