填空题 He was so tired that he could not walk home any longer: →He was 1 tired 2 walk home any longer.
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【正确答案】 1、too; to。    
【答案解析】本题仍是语义转换题，要求考生将“so...that...”结构转换为“too...to...”结构，由“如此…以致…”转义为“太…以至于不能…”。