For years, Kristen worked toward a promotion at work. What is preposition phrases

A prepositional phrase is a group of words that begins with a preposition and ends with a noun or pronoun.

hope this helps.

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#1  sara was always tasked with selecting birthday presents for her friends and family because everyone admired her  impeccable taste. 

impeccable (adj): perfect, flawless

#2  they moved to the united states many years ago, but their  insular  attitudes made it difficult for them to socialize. 

insular (adj): isolated; separate

#3  the professor explained the  semantic  relationship between the two nouns used in the sentence. 

semantic (adj): related to words or the meanings of words 

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