I'm sorry I have kept you ______ so long.
I'm sorry I have kept you ______ so long.
I'm sorry to have kept you waiting so long.
I'm sorry to have kept you waiting so long 和i' m sorry to ke
I'm sorry.I have kept you ()for me so long.A:wait B:waiting
单选题 ---I’m sorry to have kept you waiting so long.--- 1.Don’
英语改错 “I'm sorry to have kept you to wait for so long”
初中英语试题,I am sorry that I have kept you _____ so long.
I'm _______(ture) sorry that I've kept you waiting so long
I am t__ sorry I have kept you waiting long.
Sorry to have kept you waiting so long.I didn't know you__he
I'm sorry to have kept you waiting long. -----Never mind. I
i'm sorry to have kept you waiting long.never mind.I( )here