----- Nội dung dịch tự động từ ảnh ----- Alexander Graham Bell was born in 1847 in Edinburgh, Scotland. His father wa expert in phonetics, the study of the sounds of languages. As a boy, Bell bec interested in sounds and speech. In 1870 the Bells decided to emigrate to America. They lived in Boston, w Alexander taught in a school for the deaf. There he began experimenting with a mac to help the deafhear. While experimenting with this machine, Bell had an idea. Why use electricity to send the human voice from one place to another? Bell began wor a new invention. expert (n): chuyên gia 27. When was Alexander G. Bell born? a. In 1847 b. In 1870 c. In 1870s d. no information 28. He went to live b. in America 29. What does the word 'emigrate' in line 4 mean? a. leave somebody's country to live in another country a. in Scotland c. in Boston d. b & c are correct