Question

________ for the fact that she broke her leg, she might have passed the exam.

A．Hadn't it been B．Had it not been

C．Was it not D．Were it not

 

Answer 1

B

【解析】选B　句意：要不是她摔断了腿，她可能就通过考试了。根据题干中的broke, might have passed可推知设空处为与过去事实相反的虚拟语气。与过去事实相反，if从句谓语动词应为“had＋过去分词”，故排除C、D两项；如果虚拟语气的if从句为否定句，省略if时，只需将助动词、were或情态动词提前构成倒装，而否定词not需保持在主语之后，故排除A项。