◎ 题干
Animals often try to hide or run away when they      .
[     ]
A. have been attacked            
B. will attack  
C. have attacked                    
D. are being attacked  
◎ 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“Animals often try to hide or run away when they.[ ]A. have been attackedB. will attack C. have attackedD. are being attacked …”主要考查了你对  【现在进行时的被动语态】  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。