This PC has been paralyzed for a few days, it should (fix) ______yesterday.

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问题 This PC has been paralyzed for a few days, it should (fix) ______yesterday.

选项

答案have been fixed

解析 本题考查虚拟语气。本句中说昨天就应该修好了,但实际上并没修好,因此应用虚拟语气。虚拟语气表示本来能做或应该做而没有做的事,或者不可能实现的事或愿望等。同时,根据最后面的时间词yesterday可以判断这里应用完成时态的虚拟语气,即should have done的形式,因此可知答案。
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