this is the school —— I studied three years ago.横线上用where还是that?

问题描述:

this is the school —— I studied three years ago.横线上用where还是that?

看后面的句子是否完整来判断填关系副词还是关系代词,如果是完整的填关系副词,不完整填关系代词,推之填where