Can some kind spanish-know it all me with thw fill ins? can't wrap my head around it

Tu hermano — en san francisco. a. vives ob. vivo o c. vive od. viven

Frank is from atlanta and maria tuberto barbero is from ciudad de méxico. they became pen pals and communicate by phone because they love to talk in addition to communication through emails. based on what you learned , how would frankk dial maria’s phone numbers when he talks to her

8. a marta (interesar) mucho los muchachos