Which education or training would best benefit graders, sorters, and equipment operators in the food product and processing system? a bachelor’s degree
a master’s degree
an internship
a PhD

An internship.

Explanation:

An internship is a form of training would best benefit graders, sorters, and equipment operators in the food product and processing system usually for 6 months or more to learn hands-on.

sing because that is what they are doing in the sentence

explanation:

the simple predicate is the main verb in the predicate that tells what the subject does. example: my father fixed the dryer. read each sentence. draw a line under the complete predicate.