2022牡丹江统招专升本英语每日一题152

12. But for your help, I ________.

A. can have failed again B. might have failed again

C. will be living D. would have been living

【无误】B。判别：本题留心虚拟语气。句意：要不是你的协助，我也许再一次失败。含蓄条件句与过去事实相反应该用would/could/might+have done，故选B。