They did all they could ( ) save the child.括号里是否要加to

They did all they could ( ) save the child.括号里是否要加to The doctors and nurses did all they could to save the little 英语改错1）The doctors did all what they could to save the soldie 一道 改错题原句是这样的 The doctors did what they could save that child The doctors did everything they could to save the dying old The doctors did all they could_____(save)the boy They did everything they could to save her life.的语法分析, The doctor did what he could （to save）the child. The doctor did all that he could to save the wounded boy.这句话 The doctor did all he could to save the wounded boy.这句话语法上有错 doing the save are can they animals they all to连词成句 They all like (g ) to the park.括号里填什么