l am sorry to keep you waiting so long.
i am sorry to keep you waiting so long
I am sorry I _____(keep)you waiting so long.
i am sorry to keep you waiting for me so long 最佳答句是什么?
I'm sorry to keep you waiting so long
I am sorry to keep you waiting for so longA I don't think so
I am sorry to keep you waiting for me for a long time
选择题--I'm sorry to keep you waiting so long?--- 选哪个正确A.Don't
I am sorry you have been waiting so long .BUT
I am very sorry for keeping you waiting so long.
[D100] I am sorry to _____ you waiting outside so long.
Sorry to keep you waiting for such long time.
i am sorry to keep you waiting keep you waiting 后面能接动名词吗