Someone please help meee

Write in the correct forms of the adjectives.

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?

Which region in north america became a cause of conflict between france and great britain before the french and indian war