Identify the choice that best describes the underlined word or phrase for questions 1–2.

Jim’s uncle, the former mayor, helped him plan his political campaign.

adjective phrase

appositive phrase

adverb phrase

infinitive phrase

The underlined phrase would be "the former mayor," and this phrase identifies or explains more about Jim's uncle. Therefore, it is an appositive phrase. An appositive is a noun or noun phrase that renames or provides more information about a noun next to it.

Hence, the choice that best describes the underlined phrase is:

appositive phrase