Helen apologized for ____ to attend the party.

Helen apologized for ____ to attend the party.
A、her not being able
B、her being not able
C、her to be not able
D、her not to be able
【正确答案】：A
【题目解析】：题测试动名词。介词for后面应跟名词，所以应该用“her being able”形式，否定词not应当放在being之前，因此A为正确答案。本句的意思是：“海伦为不能参加聚会而道歉。”

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Helen apologized for ____ to attend the party.

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