改错题：ALbert Einstein _has_been___ the scientist who _has__developed_ the theory of relativity.现在完成时与一般过去时的区别
问题描述：
改错题：ALbert Einstein _has_been___ the scientist who _has__developed_ the theory of relativity.
现在完成时与一般过去时的区别
答
has been 改为 is
答
Albert Einstein is the scientist who has developed the theory of relativity.
答
把 has been 改为 is
ALbert Einstein is the scientist who has developed the theory of relativity.
现在完成时与一般过去时的区别 看链接