Which sentence has a verb in the active voice?
a. the electric telegraph was eventually replaced by wireless radio-wave transmission and the telephone.
b. guglielmo marconi perfected a type of radio technology.
c. in a wireless transmission, electromagnetic waves are sent over the airwaves by a system of transmitters.
d. in 1844, the telegraph was used to send the worlds first telegram.

Your essay should be short,just 250 words, and it can be written on any subject. it should contain an example of parallel structure, an example ofevery type of phrase and clause outlined in this lesson, an example of two independent clauses connected by asemicolon, and an example of a colon. if you are struggling to come up with an idea for an essay, consider writing itabout the themes present in one of the texts you have read already.