问题
选择题
---Have you heard about Volunteer?
---Sure, A volunteer is someone _________ is willing to offer help without being paid..
A．who
B．what
C．where
D．which
答案
答案：A
本题修饰someone是一个定语从句，先行词是人，关系词可用who，故本题选A。
搜题请搜索小程序“爱下问搜题”