(el libro esta) es la respuesta
May I ask what is the sentence? I could help you
La protagonista is your andwer
Mis primos tienen 15 años.
Mis padres son muy inteligentes.
Mi madre va al parque con nosotros.
Mis hermanos me dan dinero para una Coca.
Mi padre es muy simpático.
4. Esquiar
That means skiing. If you would chosen 1, it would mean singing, and you can sing anytime and not only winter. 2, it means riding a bike, and you definitely can't do that in winter. And 3, that would mean swimming, and I'm pretty sure nobody would want to swim when it's freezing cold outside.