The first time I ________ here, it was the year of 1980; this is the third time that I _________ to Chongqing.
I really regret ___to you, but at that time, I had no choice but ____.
The doctor examined the patient carefully, only_____ she was not seriously ill.
----Have you anything ____? ----No, thank you.
We hope the building project ____ will be completed as soon as possible because a lot of citizen are complaining about the noises.
Not until________,_________.