the subject pronoun would be work i believe
Se guarda
se dan
se hacen
se necesita
I think is the third one, because in the giving sentence it says: I don’t like doing sports, so I think the third one fit in for that.
La ley de velocidad mínima prohíbe a los conductores reducir la velocidad o detenerse para impedir el flujo normal del tráfico.
Correct it means the proffesor bores us
