71.If she had been aware that the mushroom were poisonous, she ___them for dinner.(pick)
要是知道这些蘑菇有毒，她不会采来做晚餐了。
wound not have picked
根据以上思路可知答案为would not have picked。
前面if虚拟条件句形式为had been（对过去的虚拟），后面主句形式与其形式保持一致，结合句意，应用would not have done的形式，因此答案为：would not have picked 。
对于虚拟语气记忆模糊。