purity [ˈpjʊərətɪ] noun (uncountable) 1. [of air, water] Reinheit die 2. [of sound, voice] Klarheit die 3. (liter) [chastity] Reinheit die
Complétez la séquence avec la proposition qui convient. We … take the car, we can walk. have to mustn't don't have to