生字扩词。
唱:________ ________ ________ 赶:________ ________ ________
旺:________ ________ ________ 旁:________ ________ ________
浑:________ ________ ________ 候:________ ________ ________
谁:________ ________ ________ 轻:________ ________ ________
汽:________ ________ ________