Answer:
Her room is as clean as his.
Explanation:
The second option is the best for this particular example because is about the speaker and Josué, the first option is only about the speaker, the third option is about both, but Josué speak in this case, it could be the last option because is about both and is a similar sentence than the second one, but the second one is the correct answer.

El ano Nuevo means new year
D- colectivo, es lo mismo que tomar el autobus
The answer is going to be true
Conocer is used to express familiarity or acquaintance, whereas Saber is used to talk about facts or learned skills.