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_____it have been the failure to pick up directions from the

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_____it have been the failure to pick up directions from the ground control that caused the air crash?
A would B could
可是A不是也可以表示推测么?
_____it have been the failure to pick up directions from the ground control that caused the air crash?
A would B could 答案是B
可是A不是也可以表示推测么?
选项是B.
因为could表示【可能性很小40%】,而would表示的【可能性较大80%】.常识告诉我们【飞机都是由地面控制台指挥和控制方向的】,【飞机失事】怎么【可能】是地面控制引起呢?
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