L accord du participe passé des verbes pronominaux. Reminder : in compound tenses ( like the passé compose ) the past participle must agree with the subject if etre is used as an auxiliary.
I hope it helps .
I believe the answer is pris seeing as it means taken :)
Answer:
1. sont allées
2. est revenue
3. est devenue
4. sommes sorti
5. est tombées
6. est partie
7. est, enfin
8. est entrée
9. est montée
10. sont rentrées
11. sont retournées
12. sont venue
13. est passée
14. est descendue
15. restée
Explanation:
I don't really know how to explain it other than recommending your get a becherelle because those have the conjugations for everything. Have a good day!