完形填空AmothertookherboytoaPaderewski（帕德雷夫斯基）concert， 1 is...
问题详情：完形填空AmothertookherboytoaPaderewski（帕德雷夫斯基）concert， 1 isafamouspianistandcomposerfromPoland．Whilethemotherwalkeddowntheaisle（过道）togreetafriend，theboylefthisseatto 2 thehall．Whentheconce...