I‘m sorry to have you waiting so long for Marcia ,and I’m af

I‘m sorry to have you waiting so long for Marcia ,and I’m af I'm sorry to have you waiting so long for Marcia ,and I’m af 初中英语I'm sorry to have you waiting for so long for Marcia,and 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 I'm sorry to keep you waiting so long 单选题 ---I’m sorry to have kept you waiting so long.--- 1.Don’ I'm sorry to have you .so long这里为什么用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 几道英语题I'm sorry to keep you waiting for me so long.求答句A.I don