severity [sɪˈverətɪ] noun (uncountable) 1. [of storm] Stärke die [of illness] Schwere die [of problem] Ernst der 2. [sternness - of person] Strenge die [ - of criticism] Heftigkeit die
Complétez la séquence avec la proposition qui convient. My friends … the Internet when I arrived. were surfing were surf