Iran a la playa is the right one
Uds./Ellos/Ellas
Yo is canto
tu is cantas
Ud/el/ella is canta
nosostros y nosotras is cantamos
vosotros is cantais
so that leaves ellos
You did the first two write and i would even say you dont need ellos bc it doesnt specify. do you need answers to the last two?? i have them i just wasnt sure if you wanted them or not
5. Nosotros
6. Tu
7. Yo
8. Nosotros
9. Yo
10. Tu
11. Usted
12. El?
13. Nosotros
14. Tu