Answer:
1: Impeccable, 2: Insular, 3: Semantic
Explanation:
1. Sara was always tasked with selecting birthday presents for her friends and family because everyone admired her impeccable taste.
Impeccable is a word used to emphasize that something is perfect and without fault, which literally means flawless
2. They moved to the United States many years ago, but their insular attitudes made it difficult for them to socialize.
3. The professor explained the semantic relationship between the two nouns used in the sentence.
Semantic is the study of meaning in linguistic or language which shows the relationship between words ad propose exact meanings.
