Yo llegue el sabado ( past tense )
yo llegó el sabado ( future tense )
not sure what tense you need sorry, hopes this helps tho.
I would say para. Because para means "to" and the sentence is saying "my brother bought a bike to ride in the mountains"
For the first picture
#4 i got to hear what the oppyions say
#5 is Ustedes salieron temprano
The second picture
#6 Visite a Carlos
#7El teatro
#8Tainos
The third picture
#9Fuieron al museo
#10Aprendimos a bucear
#11Descansar
The fourth picture
#12Las ninas aprendieron a montar caballo
#13en el zoologico
#14 I think is a museum
Fifth and last picture
#15 El estadio
#16 I think is helping the homless
#17 I need to hear the options
