What function does paragraph 7 primarily serve in the excerpt? O It presents an immediate flashback to important historical events.
O It reveals crucial information to help readers envision the setting.
O It marks a significant shift in the exchange between the two characters
O It provides a comic response to a tense situation.

the pronoun reference replaces a noun, but you have to make sure there's no room for confusion.

in the first sentence "her" could be referring to shely or to the sister. the answer there is "shelly called her sister and told her about the new baby."

in the second sentence "it" could be referring to the roof or the floor. the answer there is "since the roof leaks on the family room floor, we need to repair the roof."

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