6. Alexander Graham Bell invented the telephone, perhaps the greatest invention of all time, following up on Bell’s invention, Theodore Newton Vail envisioned all parts of the country being linked by one telephone system. Leave as is. Replace the comma between and with a semicolon. telephone perhaps Replace the comma after with a semicolon. time ANS: c REF: The correct answer is c. In see P-2a. The Norton Field Guide to Writing, In see P-2a. The Little Seagull Handbook, 7. In 1878, Thomas Alva Edison invented the carbon microphone, it was used in every telephone until the 1980s. Leave as is. Replace the comma after with a semicolon. 1878 Replace the comma after with a semicolon. microphone ANS: c REF: The correct answer is c.
6. Alexander Graham Bell invented the telephone, perhaps the greatest invention of all time, following up on Bell’s invention, Theodore Newton Vail envisioned all parts of the country being linked by one telephone system. Leave as is. Replace the comma between telephone and perhaps with a semicolon. Replace the comma after time with a semicolon. ANS: c REF: The correct answer is c. In The Norton Field Guide to Writing, see P-2a. In The Little Seagull Handbook, see P-2a. 7. In 1878, Thomas Alva Edison invented the carbon microphone, it was used in every telephone until the 1980s. Leave as is. Replace the comma after 1878 with a semicolon. Replace the comma after microphone with a semicolon. ANS: c REF: The correct answer is c.
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