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youmusthaveatendedherweddingpartytheotherday.oh,no,actuallyi.A.hadn'tB.didn'tC.haven'tD.wasn't为什么不是C

题目详情
you must have atended her wedding party the other day.oh ,no,actually i ______.
A.hadn't B.didn't
C.haven't D.wasn't
为什么不是C
▼优质解答
答案和解析
must have done是推测,表示说话人对你参加与否并不确定.
而你回答的话那就是确定的回答了,去了就是yes, i did.没去就是no, i didnt.因为这是过去的动作,不需要完成时态.