How is the underlined pronoun used in the sentence?
i received a five-page letter from him in the mail yesterday.
a.
direct object
b.
object of a preposition
c.
indirect object

The pronoun here is "him" and it's in the phrase "from him". It's neither a direct object (which is "a five-page letter" here) nor an indirect object (which would be "to someone).

It's following a preposition "from" so the correct answer is B- oobject of a preposition.

The answer would be d. repetition.because "we are," is repeated multiple times.