You would greet your professor with buenas tardes because it is used from 12pm- 5pm.
Hoy es Lunes
2 correcto
3...im not very sure, but , cómo will be my answer
4cuantos estudiantes hay en la sala?
You should show the words you are supposed to use in the sentence so I can help you!
Answer:
vas
Explanation:
"ir" is the infinitive form of "go" in Spanish. So, therefore, it is turned to "vas" which is "you go".