1. Tomo 2. tomas 3. Tomo 4. tomo 5. tomamos 6. Estudian 7. estudiamos
8. estudia 9. estudia
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.
Q1: nuestros
Q2:
A. Mía
B.Tuyo
Q3:
A.mía
B.tuyo
Hope this helps and have a great day! :D