Réponse:
A1 there is lord Henry who's examinating the picture, and Mr Grey the painter
A2 wonderful pleasure joy
A3 Dorian Grey feels proud of his portrait. He's recognizing himself in it.
4 it reveals him that one day is going to be old and he'll not look like this anymore?
5 I think he's feeling bad because he was proud of his paint for a moment and then he understood that he was gonna change and it's scared him?
Explications:
Je ne suis pas sûre pour les 2 dernières questions mais j'espère que ça t'aide