were it not for the adoption of the open policy ,things ___they are today.
A would never be B would never have been 为什么不能选a,请告诉我具体原因,
人气：123 ℃ 时间：2020-05-21 22:35:26
解答
虚拟语气,对过去的虚拟.
另外从句 were it 是if it were的省略.主句需用would/should+ have done
如果当初没有采取开放政策,事情（局面）不会是今天这样（已经发
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