More and more people in China celebrate Christmas Day__________December25th. A. at B. on C. In
-----Did you notice him come in?-----No. I _____ a football game.
You should return the digital camera to Sally ________she will get angry.
He couldn't _________an answer when I asked him why he was late.
--Could I________ your CD player, please? --Sorry . _________is broken.
--Do you want one way ________ round-trip?--Round -trip. We'll return __________December 8th.