She is the only one of the girls in her class _____ plays the violin well.

问题描述:

She is the only one of the girls in her class _____ plays the violin well.
同样定语从句,这里的空格处WHO和THAT都可以填吗?先行词又是哪个?

定语从句中,先行词被the only ,the very ,the same,the last 修饰时,只能用that 引的.在此she是先行词