She brought with her three friends,none of ( )I had ever met before.为什么填
问题描述:
She brought with her three friends,none of ( )I had ever met before.为什么填
为什么填whom
答
She brought with her three friends,none of ( )I had ever met before.
句子间没有连词,可以判断为非限制性定语从句
填whom