I am sorry that you ___for such a long time,our but it will
I am sorry that you ___for such a long time,our but it will
I am sorry you have been waiting so long .but it will still
I'm sorry I ___(keep) you waiting for such a long time
I am sorry that i can it() such a big decision at moment A.p
sorry to keep you waiting for such a long time .I must say s
I am sorry that I have kept you__________(等)for a long time
it's been a long time but I am back in town ,and this time I
I am sorry you have been waiting so long .BUT
I am sorry for keeping you waiting for a long time为什么用keepin
I am sorry to have kept you waiting for a long time.
I am sorry ________(keep) you _____(wait) for a long time.
I am sorry to keep you _______(wait)for me for a long time.