whose are
So whose are they, then?
Whose glasses are these?
«¿De quién son estos CD?»«Son de Samir.»
“Whose CDs are these?” “They’re Samir’s.”
"¿De quién son estos calcetines?""Son de mi hermana."
“Whose socks are these?” “They’re my sister’s.”
Whose keys are those?
Whose umbrellas are these?
Whose things are those?
¿De quién son estas maletas que están en la entrada?
Whose suitcases are these in the entrance?