*Así* is the correct way to write this word. *Hací* Is a barbarism and, therefore, it is convenient to avoid it.
1. Estamos
2. Es
3. Hizo
4. Puertorriqueño
5. Nos divertimos
6. Dijiste
7. Panameños
8. Me lavo
9. Se vistieron
10. Fuimos
Hope it helps!
Correct answer : C. miran
English translation : Ricardo and Alberto look at the paintings in the exhibition