Plurals and possessives

Slam poet Elizabeth Acevedo's debut novel The Poet X, winner of the 2018 National Book Award for Young People's Literature, is composed of ______ protagonist, fifteen-year-old Xiomara Batista.

Which choice completes the text so that it conforms to the conventions of Standard English?

Literary agents estimate that more than half of all nonfiction books credited to a celebrity or other public figure are in fact written by ghostwriters, professional authors who are paid to write other _______ but whose names never appear on book covers.

Photographer Ansel Adams's landscape portraits are iconic pieces of American art. However, many of the ______ of landscapes were intended not as art but as marketing; a concessions company at Yosemite National Park had hired Adams to take pictures of the park for restaurant menus and brochures.Which choice completes the text so that it conforms to the conventions of Standard English?

Labor unions are formed in order to protect ______ through collective bargaining, which gives employees greater leverage while ensuring they are treated equally by management.

The striated ______ walls are the result of erosion and frost weathering having exposed layers of multicolored sedimentary rock.