Washington is a great ______ of great buildings, greenery and monuments.
A、exhibition
B、extravaganza
C、exhaustion
D、extinction
【正确答案】：B
【题目解析】：exhibition 展览；extravaganza n. 狂妄的言行；内容狂妄的作品；铺张华丽的表演；exhaustion 枯竭；extinction 灭绝句意：华盛顿是一座雄伟建筑、绿树和纪念碑荟萃的城市。B符合题意
