What do her brothers study?

Any french speakers? i need some . how would i say 'my oldest brother is very tall, interesting, and good at drawinng.' in french? would it be: mon (i don't know the french word for oldest) frère est très grand, intéressant, et bon à dessin. also, how would i say 'my dad is good at his work' in french?

What are the avoir expressions in these questions? !

Which of the following is not a verb that is sometimes used with lui or leur? nettoyer dire rendre visite prêter