Tú necesitas el vestido
I hope is helps you :)
What exactly are your instructions for this assignment?
Answer: So far you are correct but the two words are both cognates and the orthographic accent is not in the English language.
Explanation: Orthographic accents are á, é, í, ó, ú and the English language doesn't use those. Cognates are words that sound the same or are almost the same maybe even sound similar in both languages and have the same meaning .
Number 21 it’s sounds the most grammatically correct