People believe that改同义People believe that Bell invented the first telephone in 1876.______ ______ ______ that Bell invented the frist telephone in 1876.
问题描述：
People believe that改同义
People believe that Bell invented the first telephone in 1876.
______ ______ ______ that Bell invented the frist telephone in 1876.
答
As we know
答
It is believed that =========
答
It is believed that .