Which revision puts the underlined sentence into the active voice?
the 1988 nobel prize in literature was awarded to naguib mahfouz.
in 1988, the nobel prize in literature was given to naguib mahfouz.
naguib mahfouz won the nobel prize in literature in 1988.
the nobel prize in literature was won by naguib mahfouz in 1988.

3rd person, because the narrator is out of the story but explains the feeling of the main character

type of error:

the error in the sentence is a "dangling modifier". a dangling modifier is a phrase, word or clause that "dangles" because there is not target to modify. in this case, "after mopping the floor" is the dangling modifier since it has no word to modify. the noun "house" cannot mop the floor; therefore there is a mistake in the writing of the sentence.

b. cronkite, a trusted television personality, declared that the war was unwinnable and told the american people that the government had better find a way out

even though it went against everything the news anchors typically stood for, cronkite voiced an opinion and took a stance, telling the us that there was no way they were going to win, the war was going to end in a stalemate.