Theguidewasenthusiasticandknowledgeableandwespentalove...

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