Yo empece mi clase de historia el lunes pasado.
The answer is (usted) because you dont have a personal relationship with this person.
ustedes means you guys
vosotros means all of us
tu is used for someone whom you are close with like a family member or someone whom you have know for a while.
One is una ensalada, los aperitivos
two is vegetarianos
twelve is almuerzo, una propina
Imma shoot my shot at this little.......
