`1.` He was born in Edin Burgh

`-` Dẫn chứng: On the March `3^(th)`, Alexander Graham Bell was born in Edin Burgh

`2.` He worked with deaf-mutes at Boston University

`-` Dẫn chứng: . In America, he worked with deaf - mutes at Boston University.

`3.` "Mr. Waston, come here. I want you."

`-` Dẫn chứng; Bell said on the telephone: "Mr. Waston, come here. I want you."

`4.` No, it wasn't

`-` Dẫn chứng: Bell and his assistant, Thomas Waston, conducted many experiments and finally came up with a device which they first introduced in 1876

`5.` Yes, it was

`-` Dẫn chứng: Traveling all over America, Bell demonstrated his invention to the public at the countless exhibitions, and by 1877 the first telephone was commercial use