It was reported that a 63-year-old man from Hunan Province had won _____ LCD television for being _______ 100,000th visitor to the Taiwan Pavilion.
—Have you got an i Phone 5? —No. —You' d better buy ____.It' s really cool!
—When I first got to Harvard, my awkward English brought me great trouble. ——Oh, dear, it _______a struggle for you to keep up with other students.
—Jack, did you see my son Harry just now? —No,Mrs. White. I _______computer games.
Water, which seems so simple and common, is ______ makes life possible.
—Jimmy had a lot of parties recently. —Yes, that might ______ why he didn't do well in the test.