September 15,2000 is the day__we'll never forget. A.that B.when C.on which D.on that

问题描述:

September 15,2000 is the day__we'll never forget. A.that B.when C.on which D.on that
需要解释

A
we'll never forget 是定语从句, forget 是及物动词缺宾语, 所以选关系代词that


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