单项选择题
A.四个游击队员杀死了那个美国兵，然后逃跑了，那个美国人死时手里还拿着枪。 B.杀死了那个美国兵之后，四个游击队员提着枪跑了。 C.那个美国兵用枪杀死了四个游击队员后跑了，他们死时手里还拿着枪。 D.四个游击队员用枪杀死了那个美同兵，然后逃跑了。
A．beat B．envied C．caught up with D．made the best of
A．A 10-ounce mobile usually works better than a 6-ounce one. B．Light weight mobiles can function as well as heavy ones. C．People are taking more interest in smaller mobiles than in bigger ones. D．Tiny mobiles make people feel easier to read.