◎ 题干

He apologized for ____able to inform me of the change about the plan in advance.
A.his being not B.his not being C.him not to D.him to be not
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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 apologized for ____able to inform me of the change about the plan in advance.A.his being not B.his not beingC.him not toD.him to be not…”主要考查了你对  【独立主格结构】  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。