It was not until he saw his mom _________.
He sat at the desk, __________ a novel.
— Anything new in the new regulations? — They will be ________ to us all.
Don’t be angry with the boy. He made the mistake ______.
Bob ran the 100 meters in 9.91 seconds, and I have not seen ________ this year.
our article is too long. You must _______ to about 3000 words.