What a kind teacher. But for his help, I my study.
A. wouldn’t finish
B. wouldn’t have finished
C. shouldn’t have finished
D. mustn’t have finished
网友回答
A. wouldn’t finish
(答案→)B. wouldn’t have finished
C. shouldn’t have finished
D. mustn’t have finished
解析:句意:多么好的老师,要不是她的帮助,我不可能完成学业。but for是“要不是”的意思。后面的主句要用虚拟语气,根据句意是是对过去的虚拟,所以用:would have done所以选B.