Paraguay is not part of the las pampas region.
Answer:
5. mandó, mande
6. trabajamos, trabajabamos
7. pagamos, pagabamos
8. firmaron, firmaban
9. voy, iba
10. tiene, tenía
Explanation:
The sentence practically gives you a verb, once you identify it, you conjugate it so it fits the other sentences.
Importance of social networks is what it is saying
Chica is feminine... reservada is feminine... so which of your options are feminine? Ella and la. Ella means she so it can't work, as that would mean she girl is very reserved. La is the femenine the. So that is your answer.