The doctor did __________ save the patient’s lifeA.that he could doB.all what he couldC.all he could toD.which he could
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C解析试题分析:考查省略句和不定式做目的状语:句意:医生尽了最大努力救病人的生命。All是这句话的宾语,he could是定语从句修饰all,定语从句省略了关系代词和动词do,不定式这里是目的状语,选C。考点:考查省略句和不定式做目的状语
点评:这是易错题,考生容易受经验影响,认为could后面接动词原形,这时要注意分析句子成分,将缺失的部分补全后,再结合句意判断。