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He couldn't have been saved the doctor not arrived in time. [ ] A.would B.had C.

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He couldn't have been saved the doctor not arrived in time. [ ] A.would B.had C.

He couldn't have been saved ________ the doctor not arrived in time.

[]

A.would

B.had

C.could

D.should

试题答案

答案:B

解析:

条件虚拟语气,与过去事实不符,if省略部分倒装.