____ telephones first appeared they were called talking telegraphs. a, when b,later on c, next d,then

asked Sep 24, 2022 182k views

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3 votes

Answer:

a.when

Step-by-step explanation:

When telephones first appeared they were called talking telegraphs.

Xun Yang answered Sep 25, 2022

3.6k points

1 vote

A. When
this makes the most sense since it is in past tense.

Domus answered Sep 28, 2022

by Domus

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