Every means--tried to save the poor man,but in vain.Ahas beenBhave beenCareDhad

问题描述:

Every means--tried to save the poor man,but in vain.Ahas beenBhave beenCareDhad

Ahas been
有every 修饰,说明主语是单数,谓语动词也用单数.此外,means 是单复同型的