问题
选择题
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
答案
答案：A
考查动名词复合结构。For是介词，后面接动名词。动名词复合结构中not放在doing前面,所有格放在not前。句意：因为没有能来他向我道歉。