◎ 题干
I hear they've promoted Tom ,but he didn't mention_________ when we talked on the phone.  
[     ]
A. to promote                  
B. having been promoted        
C. having promoted              
D. to be promoted
◎ 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“I hear they've promoted Tom ,but he didn't mention_________ when we talked on the phone.[ ]A. to promote B. having been promotedC. having promotedD. to be…”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。