【测试填空】It’s 10:30 p.m., and 11-year-old Brandon Blanco is sound asleep at home. Suddenly, a loud noise 1 him up. Naturally, Brandon 2 his cell phone. He blinks twice, and the message on the screen becomes clear: “R U awake?” The 3 text does not annoy Brandon since he gets frequent 4 and calls, even after bedtime. And he can’t imagine life without them. “If I didn’t have a cell phone, I wouldn’t be able to talk to my friends or family as often,” he told the Kaiser Family Foundation.