◎ 题干
    to hospital in time, the patients infected with bird flu were saved at last.    
[     ]
A.Having been taken    
B.Taking    
C.Being taken    
D.Having taken
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“to hospital in time, the patients infected with bird flu were saved at last.[ ]A.Having been takenB.TakingC.Being takenD.Having taken…”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。