Answer:
Ellos me preguntaron cómo llegar a un taller mecánico.
Hope this helps! 
 
        
             
        
        
        
Answer:
A. Su
Explanation:
Because Su literally translates to their. Tu means you/your and mi means mine/my.
If it were casas, then you just modify the pronoun to sus.
 
        
                    
             
        
        
        
Answer:
El mecánico te muestra <u>sus</u> autos.
Explanation:
(of his) will be <u>theirs</u>
 
        
                    
             
        
        
        
"the island of enchantment" = la isla del hechizo" o "del encantamiento"