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What is 1 + 3?
a word that can serve as the subject or object of a verb
a noun that is singular in form but refers to a group of people or things
a noun that denotes any or all members of a class
a noun that denotes a particular thing
names more than one person, place, thing, or idea
is a personal pronoun used to show ownership or relationship
names one person, place, thing, or idea