说明
sorry to do/sorry to have done
核心问题
——I'm sorry ____ all of you waiting. The car was held up in the traffic. —That's all right. I've just got here myself.
A. to keep B. keeping C. to have kept D. having kept
《中学英语词汇学习辞典》(石油工业出版社, p. 701) 给的答案是 C。
请问选项A果真是错误的吗？
词典解答
选项 A 也是正确的, 见 sorry 并对照其中列出的 PEU 一书中的例句 Sorry to keep you ...