语法与词汇 You will find that the community has (experienced) great changes since you came here last.
【正确答案】 A
【答案解析】undergo“经历，经受”。experiment“试验”；submit“提交，提出”；sustain“支撑，支持”。本题译文：你会发现从你上次来过后，这个小区发生了巨大的变化。