Fill in the blank with the right form of the verb avoir quel age

(03.06 mc) after listening to the audio in the lesson, fill in the blank with the right form of the verb: non, je ne pas au père noël. (croire)

In this french correct ? i dont know if the person i am talking to is a female or male im assuming that wouldn't affect it but i kind of forget . i know all adjectives agree with the nouns that they modify. métier is masculine so i use the adjective bon and bon is masculine so i use un? is that how it works je pense un bon métier pour toi est un artiste ou un architecte. i think a good job for you is an artist or an architect

Answer these questions in french: de quelles couleurs est le drapeau? qu'est-ce que ces couleurs signifient ? !