这两道题目都是考定语从句中关系(代词和副词)的选用.
第一题:选D
the sitting -room ____ my mother and I used to sit in the evening
定语从句部分为:___ my mother and I used to sit in the evening,
主语:my mother and I ,
谓语:used to sit,
时间状语:in the evening
句子成分已经完整,所以用关系副词where表示地点状语=in which
注意:这个in which 中的in 与后面in the evening的in是相互独立的,不能去掉任何一个.
第二题:选D
非限制性定语从句most of _____ hadn't been cleaned for at least a year.(MET1990)
定从句中的关系词没有A B中的词,故排除,在非限制性定语从句中,指事指人都不能用that,
指物中which、指人用who、whom.
介词后面不能用关系代词that、who,只用关系代词which、whom,故排除C