TSA CBT Practice Test 2026 - Free TSA CBT Practice Questions and Study Guide

The correct choice is "Beautiful" because it is a word that describes a noun, which is the function of an adjective. Adjectives provide information about the qualities or characteristics of a person, place, thing, or idea. In this case, "Beautiful" can describe something that is visually appealing or attractive.

In contrast, "Quickly" is an adverb, as it modifies verbs and describes the manner in which an action is performed. "And" is a conjunction used to connect clauses or words within a sentence. "In" is a preposition that indicates the relationship between nouns or pronouns and other elements in a sentence. Thus, these words do not fulfill the role of describing nouns like adjectives do.