--Mary and I ____ from the U.S.A.A. am B.is C. are
Thank you very much for___________ your birthday party.
He even ___________ notices at the supermarket to ask for old bikes.
___________of them like to sing the song “ Where is the time going?”.
My brother used to __________, but now he is helpful to others.
To my ________ , the square was so clean after the big meeting.