【定语从句】中不知道用which还是when

题目

【定语从句】中不知道用which还是when
He still remembers the days _______ he spent with your family
A.when B.where C.that D.on which
是用when还是用on which?如何区别呢?可以用when吗?

答案

when=介词+which,这两者是相通的
这里的从句是修饰day的,when与on which修饰时间,where修饰地点,因此选C