sheet [ʃi:t] noun 1. [for bed] sábana f a double/fitted sheet una sábana doble/ajustable as white as a sheet blanco como el papel 2. [of paper] hoja f 3. [of glass, metal, wood] lámina f
Complétez la séquence avec la proposition qui convient. I'm tired because I … all morning. have been working have working