Book bag or backpack
more exactly backpack for book
It means "How many books for your classes this semester?"
It means, "...for your [singular, familiar] tests...."
"Dónde están tus libros?"
I think you mean, "Sabes tu que hacer para ..." Which means, Do you know what to do to entertain your friends?"
thousand of little cards to send to your friends
The cast of Seis motivos para dudar de tus amigos - 2011 includes: Alejandro Casaseca as Enrique
El libro is the singular version.
You need space for your mail
For your Eyes Only = Solo para tus ojos
I would like to be the answer to your dreams in black and white.
feliz navidad para ti y tus seres queridos
"tus pies" (Spanish) means "your feet."