Alexander Graham Bell was born in 1847 in Edinburgh, Scotland. His father was an expert in phonetics. (1)_____ a boy , Alexander became interested in sounds and speech . in 1870, The Bells decided to (2) _____ to America. They lived in Boston, (3) ____ Alexander taught in a school for the deaf. There he began experimenting with a machine (4) _____ help the deaf hear .While experimenting with this machine, Bell had an idea, "Why do not use electricity to (5)_____ the human voice from one place to another ? " He began to work on a new (6) _____ . For years , Bell and his assistant, Thomas Watson , worked day (7) _____ night. They rented rooms in a boarding house . Bell was on one floor , and Watson was on (8) _____ . They tried to send (9) _____ through a wire . Finally, on March 19th, 1876, Watson heard these words very clearly : " Mr Watson, come here. I want you.". Watson rushed upstairs, ran (10) _____ Bell’s room, and shouted , " I heard you ! "