Answer: Boys _____ homework and _____ in discussion every afternoon.
Explanation:
<h2>Cambia el verbo en negrita y escríbelo en el presente perfecto. Change the verb in bold and write it in the present perfect.</h2><h3><em>Mariana, ¿nunca viste (2 palabras) las ruinas de Machu Picchu?</em></h3>
Answer : Mariana, ¿nunca has visto las ruinas de Machu Picchu?
Translation : Mariana, have you ever seen the Machu Picchu ruins?
Hope this helps!

Roberto está en el dormitorio
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.
Answer:
1. Baldini
2. aplicada a los estudios
3. hijastro
4. dos
5. Carlos Jose, dieciseis, la quimica.
6. Abuelo (I think, but I'm not sure)
Explanation:
I answered by following the reading you left below, I hope it helps.