the answer is B.) usted
why? because "usted" is use to talk to an adult and "tu" is or a friend whit your same age or whit a friend
Answer:
yo- voy nosotros- vamos
tu- vas vosotros- vais
el/ ella- Va ellos/ ellas- Van
Usted- va ustedes- van
1. estudiar
2. comer
3. trabajas
Explanation:
8. Sumo
9. he won an award for a poem he wrote ( as a teenager, government officials were so impressed with his writing that the president of Congress awarded him with a scholarship to Europe)
10. Chapins
Hope I helped :)