IV. Fill in each of the gaps in the passage below with one suitable word (2 marks) Alexander Graham Bell was born in 1947 (1)……………… Edinburgh, but when he (2)……………… a young man of 23, he (3) ………………………with his parents to America. They lived in Boston, where Alexander taught in a school for the (4) ………………………. Soon, he started experimenting with ways of transmitting (5) ………………………. over a long distance. For years Bell and his (6) ………………………Thomas Watson, worked day and night and finally (7) ……………………… up with a device which they first introduced in 1876. They did not know that one day this talking machine would become the (8)………………………and would change people’s lives.