He seldom put his books in order_____he

问题描述:

He seldom put his books in order_____he

did
理由1
前半句含seldom,表否定含义 所以反意疑问句中用表肯定的词
理由2
He是第三人称单数 既然和put连用表示此处的put是过去式 所以反义疑问句也用过去时