改被动语态Someone has taken the stranger to another hospital.
问题描述：
改被动语态Someone has taken the stranger to another hospital.
答
把宾语提前即stranger提前形成的一个句子，如第一个人一样，时态不变
答
The stranger has been taken to another hospital.
不要加someone
本来用someone就是模糊指称
变为被动句要省略
答
The stronger has been taken to another hospital by someone.
答
答案是：The stranger has been taken to another hospotal by someone.