Final answer:
To enhance the sentence "Devin and Carly began to laugh" using vertical time, we can add specific details that provide a sense of when the laughter started or how long it lasted.
Step-by-step explanation:
To enhance the sentence "Devin and Carly began to laugh" using vertical time, we can add specific details that provide a sense of when the laughter started or how long it lasted. For example, we could write:
"Devin and Carly began to laugh, their laughter echoing through the halls for what seemed like an eternity."
This addition of the phrase "for what seemed like an eternity" enhances the sentence by conveying the perception of time passing during their laughter.