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!
correct answer:
Beatriz nos preparó el archivo para
nosotros.
To conjugate them, you drop the -ir ending, like you would with a regular verb like finir. Then you add, well, the regular -er verb endings: -e, -es, -e, -ons, -ez, and -ent!
344 apples! hope this helps lol