Knowing the meaning of a word is one thing; yet using it both grammatically and communicatively properly is quite ______.
-- Flight 331 is being ___.I’d better be on my way. Goodbye. ----Bye. Happy landing.
Though it is not our normal _____ to pay in advance, I think it’s ok this time.
How many nationalities________ our country __________?
The officials soon realized that, ____, things would get worse.
____ born in Toronto, Canada, the author is most famous for the stories about New York City.