Tu or usted, because ending -as is the meaning of you, tu is spanish imformal- you,usted is spanish formal-you.
The answer is "van" which means "go" in present tense
Todos ustedes tienen mentalidad deportiva
Orchata is the rice beverage
"puso" would be the missing word.
La abuela no puso la leche ni el queso.
translation: The grandma didn't put the milk nor the cheese.