【题目】The guide was enthusiastic and knowledgeable and we spent a lovely evening wandering into places which we ________ straight past otherwise.
A. had walked B. were walking
C. would have walked D. must have walked
在线课程【答案】C
【解析】
试题分析:考查虚拟语气。对将来的虚拟用would have done形式。句意：这位导游很热情也很有才华，我们度过了美好的夜晚，漫步在一个我们原本会直接匆匆路过的地方。故选C。