Answer:
1. travaille (travailler)
2. enseigne (enseigner)
3. explique (expliquer)
4. regarderont (regarder)
5. écoutent (ecouter)
6. vont étudier (étudier)
7. préparer
8. J'ai travaillé
9. avons trouvé
Step-by-step explanation:
Just a heads up:
I do not know how far you are in french so I would be careful in terms of numbers 4 and 5, both are future tenses (i.e. I will do something).
Also, I am really hesitant on number 7, I couldn't really find an accurate answer.