How do I say "Close the door!" in imperative form if I'm talking to one person?

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?

Où est-ce qu’elles vont pour acheter des desserts?

Using the preposition as a hint, choose the correct conjugation of the appropriate verb. elles __ d'australie. -vont-venez -viennent-venonsfill in the blank with the correct preposition: ils vont __ france. -a-en-du-de