Theguidewasenthusiasticandknowledgeableandwespentalovel...

問題詳情：

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

知識點：虛擬語氣與情態動詞

題型：選擇題