Appositive Phrases

What is the appositive phrase: She struggles as usual to maintain her calm, composed, and friendly personality, a sort of mask she wore all over her body.

What is the appositive phrase: Mr. Cattanzara, a bald-headed man who worked in a change booth on an IRT station, lived on the next block after George’s.

What is the appositive phrase: A new study at Emory University has found that prairie voles, social rodents that form lifelong bonds between mates, engage in empathy-based relationships.

Select the underlined word or phrase that needs to be changed to make the sentence correct: Marvin, the librarian from Ridgedale always has a good recommendation for something to read.

Select the underlined word or phrase that needs to be changed to make the sentence correct: The dogs, a group of basset hounds liked to run and sniff; they typically spent three hours outdoors every day.

Select the underlined word or phrase that needs to be changed to make the sentence correct: Our family's pet bird, a canary wakes me every morning with her beautiful song a melody that overpowers my alarm clock.