While you are passing someone on street you say Adios. This word usually means "Good-bye," but in this case it will mean as a general greeting .
{Nada} is the correct answer because nadar means (to swim)
Regreso, hope that helped!
1. Sofia va recordar su viaje con tarjetas postales, Beto va recordar su viaje con fotografías, Carmen va recordar su viaje con sus dibujos
I can’t answer five bc I can’t see the table
