You want to use the "Estar" conjugation "Está" instead of the "ser" conjugation "Es".
In basics from what I understand you use estar conjugations when referring to a temporary state and you use ser conjugations when referring to permanent states.
On earlier lessons lack of accents wasnt considered wrong. Is that why it was marked wrong?
Be careful with this one. Estar is technically correct since it's not permanent but Spanish speakers tend to always use Ser with feliz. A quick google search will confirm that. I've also spent 14 months travelling around 7 different Spanish speaking countries (Spain, Chile, Argentina, Uruguay, Bolivia, Peru and Mexico) my girlfriend is from an 8th (Venezuela). It's the sane in all so not country specific like a lot of other inconsistencies in Spanish.
I was told to translate it to English, but the sentence was already in English.
put she is too happy, got it wrong!
Muy means too much or a lot etc.
and it didnt say "Ella esta muy feliz" so...u r sopposed to get it wrong