第1个回答 2006-09-20
Sorry for keeping you waiting
抱歉,让你久等了。
第3个回答 2006-09-20
Sorry for keeping you waiting for so long.
第4个回答 2006-09-20
sorry to keep you waiting/sorry to make you wait.
英语的精髓:怎么简单怎么说!那种语法完美的句子通常都不是好的口语.
第5个回答 2006-09-20
I am sorry for having kept you waiting for such a long time.