1.yo / the library 2. us / the pool 3.mis raw / the gym4.tour / excursion5.ustedes / the municipal park6.Alejandro / the science museum
 
        
             
        
        
        
Answer:
eso es muy fácil
Explanation:
para cuidar el planeta solo debemos empezar a reciclar y a no contaminar
 
        
             
        
        
        
1. “My grandmother died and now my grandfather is separated”
2. “A girl celebrating her fifteenth birthday is in the maturity stage.”
3. “Ricardo and Marta got engaged because they want to get divorced.”
(i’m not sure if you wanted to know the sentences or not but i tried my best:) )
        
             
        
        
        
Carlos se arregla para salir a comer, because "se" refers back to Carlos (reflexive).
Hope this helps.