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Help the self-appointed office detective fill out her official incident report by selecting the correct words.
"I am officially opening an investigation. I need to know _________________________ half-eaten donut was left on the photocopy machine. The prime suspect is the _________________________ new intern, who was seen looking remarkably hungry at 9:00 AM. The abandoned pastry is missing _________________________ pink frosting, which is a crucial clue!"
whose half-eaten donut
Whose is the possessive form of who. Who's is a contraction for who is or who has, which doesn't make sense here ("who is half-eaten donut").
boss's new intern
Boss is a singular noun ending in s. To make it possessive, we add an apostrophe + s.
its pink frosting
Its (without an apostrophe) is a possessive pronoun showing ownership. It's (with an apostrophe) is always a contraction for it is or it has. Its' is never a real word!