When would a secondary source be more useful to you than a primary source? when you want to read firsthand impressions of an event
when you want to see original news footage of historical events
when you want to feel as if you are experiencing the event directly
when you want a summary or analysis of historical events

idk

explanation:

#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 

happy to : )

i know 2 is c.

i'm leaning towards a for 1.