After seemed an endless effort.the patient was finally able to carry out seemed
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After________ seemed an endless effort，the patient was finally able to carry out________ seemed a perfectly normal walk.
A. what；what B．that; that C．it; that D．which; like
试题答案
A after表示“在……之后”与时间名词连用时是介词而不是连词。两空均为what引导的宾语从句并在从句中作主语。