I think you are correct, but It may is “Son las tres y cuarenta y cinco” or “ Son quince para las cuatro”
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.
el chico Carlos es un perezoso
