Here's why:
* "Gracias" is a word that is always written without an accent.
* "Oportunidad" is a word that already has the accent mark on the "u" in the second syllable.
Therefore, the sentence does not require any additional accent marks.
Here's why:
* "Gracias" is a word that is always written without an accent.
* "Oportunidad" is a word that already has the accent mark on the "u" in the second syllable.
Therefore, the sentence does not require any additional accent marks.