Estudien yo creo que es English: I think it’s b I guess
Any member of a small class of words found in many languages that are used as replacements or substitutes for nouns and noun phrases, and that have very general reference, as I, you, he, this, who, what. Pronouns are sometimes formally distinguished from nouns, as in English by the existence of special objective forms, as him for he or me for I, and by nonoccurrence with an article or adjective.
Bro I know it's long
Answer:
1) Nosotros compramos dulces para nuestros amigos.
2) Yo escribo un ensayo para mi profesora de Inglés.
3) Mis padres venden casas.
4) El camarero sirve los platos a los comensales.
5) Yo tengo un regalo para José
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1) Yo estoy haciendo mi tarea todos los días.
2) Juan y Miguel están jugando al fútbol con sus amigos
3) La profesora está hablando con sus alumnos.
4) Los estudiantes están escuchando a la profesora y siguiendo las instrucciones.
5) Tú siempre has prestado atención en clase.
Explanation:
I think all of them are good, I don't know if number 5 of the present progressive is good, but I think that it is. If you have any questions please feel free to message me.