Concerning the parts of speech, the underlined word in “How’...

How were the first 'voice mails' sent? In envelopes

“Hello Mother, Dad, and Blanche,” a quiet voice says above the cracks and pops of an old vinyl record, which has clearly been played many times over. “How’s everything at home? I’m recording this from Dallas…from this very little place where there are pinball machines and many other things like that…”

The disc is small, seven inches across, dated ___________ 1954. The faded green label shows that the speaker’s name is “Gene,” the recording addressed to “Folks.” Gene suggests in his minute-long message that he is traveling—“seeing America”—and tells his family not to worry about him.

“I should complete my trip sometime around Thanksgiving. I hope you received my letter and I, in turn, hope to receive some of the letters that you sent me.”

This largely forgotten sound is one of the world’s early “voice mails.” During the first half of the 20th century, these audio letters and other messages were recorded largely in booths, pressed onto metal discs and vinyl records, and mailed in places all over the world. Best known today for playing music at home, record players were then being used as a means of _____________ over long distances.

The idea of transporting a person’s voice had _________ large in the human imagination for some three centuries before it was finally achieved with the invention of the phonograph in the late 19th century. Historical documents from the Qing Dynasty in 16th-century China suggest the existence of a mysterious device called the “thousand-mile speaker,” a wooden cylinder that could be spoken into and sealed, such that the recipient could still hear the reverberations when opening it back up.

(Fonte: National Geographic - adaptado.)