Question

what does \it\ refer to? choose the word that completes the sentence. tap here for a hint about pronouns. baba explained that he had bought a generator—a machine that would provide electricity—in case the power ever went out. \thats the hum you hear. it runs on fuel, so well want to be careful about how much electricity we use.\ \ runs on fuel, so well want to be careful about how much electricity we use.\ the hum the power a generator

Explanation:

Pronouns like "It" refer to a previously - mentioned noun. In the text, "Baba explained that he had bought a generator... It runs on fuel", "It" clearly refers to the generator as it is the machine that runs on fuel.

Answer:

A generator