Answer:
I believe the answer is the first one, clases-llenas.
Explanation:
Clases is a feminine word (las clases, la clase), so it only makes sense for the adjective after it to be feminine as well (llenas). Please let me know if you still need help with this, and only mark as brainliest if you want!
If this is another language then I'm sorry that i can't help but if not. . .haha
Did you ever get the answer to this question?
