If you're asking for the Spanish pronouns, here they are!
-yo (I)
-tú (you, informal)
-él (he)
-ella (she)
-nosotros (as) : we
-vosotros (as) : you, plural, **ONLY USED IN SPAIN**
-usted (you, formal)
-ustedes (you, formal, plural)
-ellos (they, masc.)
-ellas (they, fem)
If I missed anything, sorry~!
These are the answers:
35. El profesor les explico la.
36. Yo le di los.
37. Si, se a cambiado .
38. Si, el mozo se a habierto.
Plz give me branliest.
Yo no se que comer hoy. Voy a leer el menú
This is more of a personal thing bud, but if you really need the help, just give me the details and I'll write you one in Spanish.