I'm sorry to have kept you waiting .-- Oh .not at all .I ___
I'm sorry to have kept you waiting .-- Oh .not at all .I ___
I am sorry to have kept you waiting.---Oh,not at all.I__here
Sorry,I have kept you waiting.用Not at all.还是That’s all right
分析语法 i'm sorry to have kept you waiting.
I'm sorry to have kept you waiting.
I’m sorry to have kept you waiting.
——i'm sorry to have kept you waiting.
I'm sorry to have kept you waiting so long.
— I'm sorry to keep you waiting.— Oh,not at all.I here for o
----i am sorry to keep you waiting.----oh,not at all.i _____
I'm sorry to have kept you waiting so long 和i' m sorry to ke
I'm sorry to have kept you waiting long. -----Never mind. I