How long the does lunch last in the French schools?

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

Which direct object pronoun best completes the second sentence?               notre grand-mère est très sympa. elle donne toujours des cadeaux. a. me b. vous c. nous d. leur

Si je tombe en descendant du bus, j' a mal ? l'oeil. ai mal aux pieds. a mal ? la t? te