took, was taken, had taken, operated, been operated, operating
He ____ to hospital last night and he's already ____ on.
【正确答案】：was taken; been operated
【题目解析】：【考点点击】本题考查被动语态。【要点透析】由句意可知,he与take之间是被动关系,并且由 last night可知句子用的是过去时态,所以第一个空应填 was taken;and后的句子为现在完成体,且主语与动作之间存在被动关系,故第二个空应填 been operated
