Witch of these verbs is spelled the same but prounced different depending on tense? a. speak b. be c. read d. throw

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."

the switch in narration increases the proximity of the narrator to the main character and the reader can perceive information only through the filter of a single character.