¿quién (participar) en las actividades?
when entering your answers for fill in the blank and essay questions, be sure to use accent marks and/or correct punctuation to avoid your answer being marked incorrect.
you may copy and paste the accented character or punctuation mark from this list if needed:
á é í ó ú ñ á é í ó ú ¿ ¡

The correct answer is the following.

¿Quién participó en las actividades?

We are talking about the verb "to participate."

This verb can be conjugated in the following ways:

Yo participo. I participate.

Tú participas. You participate.

Él participa. He participates.

Ella participa. She participates.

Nosotros participamos. We participate.

Ellos participan. They participate.

the answer is d

explanation:

im fluent