Read the passage and choose the best answer. 

Alexander graham was born (1) _____ March 3, 1847 in Edinburgh, Scotland. As a boy, alexander become interested in sounds and speech. In 1879, the bells decided (2) _______to America. They lived in Boston, where alexander taught in a school for the deaf. There he began experimenting with a machine which send the human voice from one place to another? He began to work on a new (3) _______for years, Bell and his assistant, Thomas Watson, worked day and night. (4) ________ rented rooms in a boarding house. Bell was on one floor, and Watson was on another. They tried to send (5) _______through a wire. Finally, on upstairs, ran into Bell’s room and should: “I heard you!” 

Alexander graham was born (1) _____ March 3, 1847 in Edinburgh, Scotland.