◎ 题干

. He apologized for _____.
A.his not being able to come B.his being not able to come
C.his being able not to come D.him not being able to come
◎ 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“. He apologized for _____. A.his not being able to come B.his being not able to come C.his being able not to come D.him not being able to come…”主要考查了你对  【动词短语】  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。