stiff [stɪf] adjective 1. [gen] steif [rod, brush] hart [shoes] fest [drawer, door] widerspenstig 2. [resistance, drink] stark [penalty] hart 3. [difficult] schwer stiff [stɪf] adverb (inf) to be bored stiff sich zu Tode langweilen to be scared stiff starr vor Angst sein
Complétez la séquence avec la proposition qui convient. Pupils … run in the corridors, it's forbidden. must mustn't can