SOMEONE (KNOCK) ……… ON THE DOOR. I’LL GO AND OPEN IT.V. CHOOSE THE...

10. Someone (knock)

………

on the door. I’ll go and open it.V. Choose the word or phrase which best completes each blank in the following passage. Alexander Graham Bell was born in 1847 in Edinburgh, Scotland. His father was an expert inphonetics. (1)_____ a boy, Alexander became interested in sounds and speech. In 1870, The Bellsdecided to (2) _____ to America. They lived in Boston, (3) ____ Alexander taught in a school for thedeaf. There he began experimenting with a machine (4) _____ help the deaf hear .While experimentingwith this machine, Bell had an idea, “Why do not use electricity to (5)_____ the human voice from oneplace to another?”. He began to work on a new (6) _____ . For years , Bell and his assistant, ThomasWatson, 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,