By readingquickly, I ________ reading the magazine before the library closed. So Iwouldn’t have to borrow it the next day.A.shouldhave finishedB.mustfinishC.finishedD.might havefinished
网友回答
C解析题中By reading quickly是方式状语，AD为虚拟语气，与So I wouldn’t have to borrow it the nextday事实相反，B的意思不对。