______more and more forests destroyed, some animals are facing the danger of dying out.
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________,_________.