The correct conjugation are the following:
•Yo- estudio
•Tú- estudias
•Usted- estudia
•Él- estudia
•Ella- estudia
•Nosotros- estudiamos
•Nosotras- estudiamos
•Vosotros- estudiáis
•Vosotras- estudiáis
•Ustedes-estudias
•Ellos- estudian
•Ellas- estudian
Grammar, My Grandparents live on an island.
That Is the Correct way Of Writing That Sentence.✅
The answer is true, fashion was influenced by Spain and other European countries.
Your answer to number 3. is going to be C.