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题目
I would have told him the answer had it been posible ,but I ____so busy then.
A had been B were C was D would be
请问选什么为什么,

提问时间:2020-08-01

答案
C was
I would have told him the answer had it been posible ,为虚拟语态,而but I ____so busy then.为非虚拟语气,then提示是过去,故选was
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