定语从句中缺少成份就要用关系代词,不用关系副词吗?

问题描述:

定语从句中缺少成份就要用关系代词,不用关系副词吗?

如果从句是一个完整的句子,就用关系副词(The place where we stayed in the countryside is a farm.)
如果从句不完整,就用关系代词(The place that/which we visited in the countryside is a farm.)