问题描述：
【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?
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?
问题解答：
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