Question

select the common noun(s). haymitch abernathy didnt want his new sneakers to get dirty at the park.

Explanation:

A common noun names a general person, place, thing, or idea. "Sneakers" is a general term for a type of footwear and "park" is a general type of public place. "Haymitch Abernathy" is a proper noun as it names a specific person.

Answer:

sneakers, park