◎ 题干
"To help out" means "to volunteer" or to give help where it             ?          
[     ]
A. need
B. to need
C. is needed
◎ 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“"To help out" means "to volunteer" or to give help where it? [ ]A. need B. to need C. is needed…”主要考查了你对  【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。