duty [ˈdju:tɪ] ( pl duties ) noun 1. (uncountable noun) [moral, legal responsibility] deber m to do one's duty cumplir con su deber 2. [work] servicio m to be on/off duty estar/no estar de servicio 3. [tax] impuesto m customs duty derechos mpl arancelarios duties plural noun tareas fpl
Complétez la séquence avec la proposition qui convient. This shirt is dirty, it …. need to wash needs washing needn't wash