问题
选择题
He apologised to me for his ________ my letter．
A．delaying answering
B．delay to answer
C．delaying to answering
D．delaying to answer
答案
答案：C
介词后用动名词作宾语，“推迟做某事”delay to doing其中to为介词后接动名词。句意：他因为延迟给我们写信而道歉。
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