I'm sorry ( ) you working so long.(keep)
I'm sorry ( ) you working so long.(keep)
I'm sorry to keep you waiting so long
I am sorry I _____(keep)you waiting so long.
选择题--I'm sorry to keep you waiting so long?--- 选哪个正确A.Don't
I'm sorry to keep you_______(wait)so long
i am sorry to keep you waiting so long
几道英语题I'm sorry to keep you waiting for me so long.求答句A.I don
I'm sorry I have kept you ______ so long.
I`m sorry ___ you ___ so long.
I'm sorry to have kept you waiting so long.
I'm sorry to keep you___ so long.A.wait B.so wait C.waiting
I'm sorry to have kept you waiting so long 和i' m sorry to ke