Question

【题目】Most museums in the world keep things from the past _____ people should know about.

A.whatB.asC.thatD.when

Answer 1

【答案】C

【解析】

考查定语从句关系词。句意：世界上大多数博物馆保存着人们应该知道的关于过去的东西。分析句子成分可知，先行词为the past，从句主语为people，谓语为should know about，可知此处缺少宾语，应使用关系代词that/which引导定语从句，that/which在句中充当宾语。故选C。