英语翻译电话是什么时候发明的只是中国发明的这栋大楼是去年建造的计算器是1971年发明的世界上很多国家都讲英文

When was the telephone invented?
Papermaking was created in China.
This building was built last year.
The calculator came into appearance in 1971.
English is spoken in many countries around the world.