Answer
1. Anita needs her book
2. I want my lunch
3. Isabel and I play our instruments in a band
4. We do exercise in our home
Explanation:
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.
