◎ 题干
_____ warned of the danger of losing his way in the jungle, he still wanted to have an adventure.   
[     ]
A. To be
B. Being
C. Having been
D. Having
◎ 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“_____ warned of the danger of losing his way in the jungle, he still wanted to have an adventure.[ ]A. To be B. BeingC. Having beenD. Having…”主要考查了你对  【现在分词的被动式】【现在分词的完成式】  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。