I'm sorry to have kept you waiting A.Don't mention it B.No p
--I'm sorry to have kept you waiting.--_____,Bill A No probl
单选题 ---I’m sorry to have kept you waiting so long.--- 1.Don’
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.
sorry you waiting sir (A)to have kept(B)have kept(C)to kept选
I'm sorry.I have kept you ()for me so long.A:wait B:waiting
I’m awfully sorry to have kept you waiting for a long time.
i'm sorry to have kept you waiting for a long time
–I'm sorry to have kept you waiting.–_______ A