I am t() sorry I have let you wait long
I am t() sorry I have let you wait long
I am t__ sorry I have kept you waiting long.
I am sorry you have been waiting so long .BUT
I'm sorry.I have kept you ()for me so long.A:wait B:waiting
I am sorry ________(keep) you _____(wait) for a long time.
I am sorry to keep you _______(wait)for me for a long time.
英语中不定式的完成式的有关问题.I am sorry to have keep you wait.I am sorry
So don't Say sorry How long I have to wait
英语改错 “I'm sorry to have kept you to wait for so long”
-You kept me __ so long.-Sorry.I'll be ready soon.A.wait B.t
--i am sorry to have kept you waiting long ---never mind .i
初中英语试题,I am sorry that I have kept you _____ so long.