单选题
6.
______ for the expense, I should have gone to Italy.
A、
Had it not been
B、
Hadn't it been
C、
Were it not
D、
Weren't it
【正确答案】
A
【答案解析】
虚拟语气。If引导的非真实性条件句，表示与过去事实相反的情况，从句用“If+主语+had+-ed分词”结构，此结构可以由“Had+主语+-ed分词”代替，通常否定词不随助动词前置。
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