tú: informal
usted: formal
vosotros: familiar- only in Spain , to males or mixed group.
vosotras: familiar- only in Spain , to a group of females.
ustedes: plural, formal or informal.
Answer:
There is no audio so I can't help
Explanation:
1. Se
2. Sabe, Conoce
3. Conocen, saben
4. Saben, conocen
5. Sabe, conoce
6. Conoce, sabe
7. Sabemos
8. Sabe
Hope this helped!
