This is the only boy_____read the book.A who B.that 先行词前有only 可以选who

题目

This is the only boy_____read the book.A who B.that 先行词前有only 可以选who

答案

先行词是somebody时,通常who或that均可作为引导词.然后应注意,当先行词由only等词修饰时,引导词只能是that.