Question

Mike apologized for _______ to inform her of the change in the working plan.

A．his being not able

B．him not to be able

C．his not being able

D．him to be not able

Answer 1

C

试题分析：句意：Mike为没能告知她工作计划的改变而道歉。介词for后用动词的-ing形式，其否定形式是在前面加not，其所有格形式是在前面加his…。由句意可知选C。
考点: 考查习惯句型的用法。