He is one of the students who, I am sure, always do ____ best.
Here ______ two tapes on my desk.
I’m _____, but Tom isn’t. His books are everywhere.
Are these your keys? E-mail me _____Cindy2013@hotmail.com.
--Is this her ruler?--No, it’s ______, my brother’s.
--Is this your pencil?--Yes, ______.