Acostarse, cepillarse, dormirse
I think it's nadar because "va al mar" means he is going to the sea. Therefore, he would be going to swim.
Answer:
Mi hermano y yo <u>esperamos</u> que nuestro abuelo <u>sabe</u> descargar esos programas sin causar problemas.
Explanation:
the we form of esperar is esperamos.
the he/she form of saber is sabe.
