◎ 题干
Tony was very unhappy for    to the party.
[     ]
A. have not been invited            
B. not having invited
C. having not invited              
D. not having been invited
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“Tony was very unhappy forto the party.[ ]A. have not been invitedB. not having invitedC. having not invited D. not having been invited…”主要考查了你对  【动名词的完成式】【动名词的被动式】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。