I'm sorry, Elise. I ________ your radio for such a long time
I'm sorry I ___(keep) you waiting for such a long time
sorry to keep you waiting for such a long time .I must say s
I'm sorry I-------------(keep)you waiting for such a long ti
I am sorry ________(keep) you _____(wait) for a long time.
I'm sorry to keep you_______(wait) for em for a long time.
.I'm sorry to keep you ___ for a long time.A.to wait B.waiti
I'm exhausted after working for such a long time ____.let's
I’m awfully sorry to have kept you waiting for a long time.
I'm sorry to keep you ()for a long time.
i'm sorry to have kept you writing for a long time
I’m sorry to keep you _(wait) for a long time 适当形式
i'm sorry to keep you ----(wait) for a long time