I think it's nadar because "va al mar" means he is going to the sea. Therefore, he would be going to swim.
This is for part 2
1. Soy
2. Esta
3.somos
4.estan
5.son
6.estan
7.estas
8. Estoy
I really hope I helped!
Answer: a job is a trabajo, spanish is my main language so this was easy.
i dont see the image but i think its a man going to go skiing-