the doctors have tried everything they can___(save)the sick and injured 为什么 injured
问题描述:
the doctors have tried everything they can___(save)the sick and injured 为什么 injured
答
the doctors have tried everything they can 【to save】the sick and injured
to do目的状语
the sick and injured 伤病患者 这里是"the+adj“用法,表示一类人