I think it's nadar because "va al mar" means he is going to the sea. Therefore, he would be going to swim.
Es su camiseta.
Su is used to show possession of singular objects, in this case, a t shirt, in third person form.
P.s im assuming that this is a school assignment so...for like an essay or something..
Dear Mrs./Mr. (name),
Something has came up at home, it is a personal issue. I would like to ask for permission to take a leave of absence for three days. While away i will try to make sure I finsh school assignments. But I will not be able to do zooms with the rest of the class. Thank you, Have a nice day.
Answer:
otono: fall
primavera: spring
invierno:winter
verano:summer
Explanation:
I already learned this in Spanish:)