Theguidewasenthusiasticandknowledgeableandwespentalovel...

问题详情：

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

【回答】

C

知识点：虚拟语气与情态动词

题型：选择题