【题目】I will never forget those days, ______ I spent in the countryside together with my grandmother as a child.
A. when B. which C. on which D. in which
在线课程【答案】B
【解析】
试题分析：考查定语从句的关系词。句意：我不会忘记那些日子，在那段时间里还是个孩子的我和奶奶一起在乡村生活。这是个定语从句，先行词the days，从句缺宾语，关系代词要在从句里做宾语，只有which符合，故选B。