Final answer:
The interjection in the sentence 'I stepped in gum, icky' is the word 'icky'
Step-by-step explanation:
Interjections are words or phrases used to express strong emotions, sudden exclamations, or brief remarks. They are typically used in informal language and add an emotional or exclamatory tone to a sentence. Interjections are often punctuated with exclamation marks to convey the intensity of the emotion.
The interjection in the sentence 'I stepped in gum, icky' is the word 'icky'. An interjection is a word or phrase that shows strong emotion or sudden feeling and is usually followed by an exclamation point. In this case, 'icky' expresses disgust or distaste. Other examples of interjections include 'ouch', 'wow', and 'oh no'.