Answer:
Tú y tus amigos <u>viajan</u> a Buenos Aires
I think it's nadar because "va al mar" means he is going to the sea. Therefore, he would be going to swim.
Answer: I got, “Brother, you are tall and sympatheti.”
Explanation:
Cepíllate (tú, informal)
Cepíllese (usted, formal)
Cepíllense (ustedes)