What would work in the blank space?

vous parlez francais? - oui, bien sur!

Which conjunction best completes the sentence?               la teinturerie est ouverte, je n’ai pas le temps d’y aller. a. ou b. mais c. si d. parce que

Using the prepositions as a hint, choose the correct conjugation of the appropriate verb. je __ a la bibliotheque avec ma soeur. -vais-va-vas-viens

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?