Answer:
¿De quién son las bicicletas? Translation: To whom do these bikes belong to?
If they are marina's you need to say:
'Las bicicletas son de Mariana' meaning the bikes belong to Mariana.
Anwser:
translation
Explanation:
Who are those bicicles.
es un articulo... ...............
de que estas hablando
What's the book title?