Answer:
1. Quiere
2. comemos
3. vas
4. compro
5. hablan
6. tienes
7. prepara
8. vengo
9. estudian
10. enseñamos
Step-by-step explanation:
1. Gloria (currently) wants to go to the beach.
2. Juan and I are eating a lot of food.
3. You are going to the store.
4. I buy some books for my sister.
5. Roberto and Pablo talk* with their friends *(or "are talking")
6. You are very hungry.
7. Paco is preparing the party for his mother/his mother's party.
8. I come to my friend's house everyday.
9. Juanita and Isabella study the lesson (or "are studying") (technically "estudiamos" is present tense, but that's for personal sentences, for example "Juanita, Isabella y yo estudiamos la lección.")
10. My friend and I teach the kids (or "are teaching")
I believe this is all correct. Hope this helps!