.—Must I give the pen to the manager ?—No, you may give it to________you think is on duty in the office .
Quancheng Square is one of _____ largest in China, _______second to Tian’anmen Square.
—Bruce, we are taking a ship trip to Australia tomorrow. —That sounds exciting. _______.
He changed so much that I didn’t _______ him at first sight.
Do you know when ________?
I don’t think she is a nice woman;I’m ______ her empty talk.