◎ 题干
He is only too ready to help others,seldom,________refusing them when they turn
to him.
A.if never B.if ever C.if not D.if no
◎ 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“He is only too ready to help others,seldom,________refusing them when they turn to him.A.if neverB.if everC.if notD.if no…”主要考查了你对  【全部倒装】【部分倒装】【省略句】  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。