sleeper [ˈsli:pəɼ] noun 1. [person] to be a heavy/light sleeper tener el sueño profundo/ligero 2. [sleeping compartment] coche-cama m 3. [train] tren m nocturno (con literas) 4. (UK) [on railway track] traviesa f
Complétez la séquence avec la proposition qui convient. What were you doing when I … you? was calling called