关于复合句的选择题3

问题描述:

关于复合句的选择题3
I'll nener forget the day _____ he came to see me.
A.that B.which C.what D.when

D把空后面的句子单提出来,就应该是He came to see me +某天(例如:on Monday),所以这里缺的是时间状语,所以用when.