What should we _______ in class? We should pay attention _______ notes when necessary.
Chris Lee won the _________ for the best singers in 2009 Asia Song Festival.
-What did you do ________ your last day off?-I took my dog _______ a walk.
-Hi, Tom. Is this your dog?-No, it’s Cathy’s. _________ is at home now.
He is ______ outstanding student from ______ university in America.
— Do you mind if I close the door?— _______________.