题目内容


The doctors have done ______ they could ______the child.
A.whatever; to saveB.everything ; save
C.all what; to saveD.all which; save
A
考查名词性从句。句意“那些医生已经尽最大努力来拯救那个小孩。”all that相当于what,排除C;all作先行词时,定语从句引导词用that,排除D;do sth. to do sth.用不定式表示目的,排除B。故选A。
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