先行词是the only one 关系代词用哪个?
问题描述：
先行词是the only one 关系代词用哪个?
可教材上却用who 如;she's the only one who's studying French.
答
在这里用who和that都行,但如果是这两答案同时出现就要选who,the only修饰先行词是限于that和which的区别,与who无关.