Most of those are cognates...
The last one is the answer (ellas responden)
The answer would be estudian
Answer:
Cansados
Explanation:
I know spanish very well....IF its wrong sorry!!But hope it helps :D
also...Cansados is like more than 1 but for cansada is referring to a female. Casado is a basically like a male and Cansadas is bacically two or more female so its CANDADOS...