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.
Answer:
1. veo
Yo veo todos los partidos de mi equipo de baloncesto favorito.
I see all the games from my favorite basketball team.
2. hago
¿Qué hago en mis ratos libres? Patino en línea y leo revistas.
What do I do in my free time? I skate and read magazines.