Robert is said _____ abroad, but I don’t know what country he studied in.
—I can’t imagine Phelps was caught smoking on campus!—_______.
—What are you doing, John? Why stop?—To be on the safe side, we’d fill up the car now for we _______ run out of gas on the way.
Bill Gates has created a wonderful “window” ______ people can surf the Internet freely.
—What do you think of the film 2012?—Well, it’s good.At least it’s ______the one I saw last time with Jean.
—Would you like more tea? —No, , thanks.