specialize
intransitive verb Konjugation ,
specialise
intransitive verb Konjugation [ˈspeʃəlaɪz]
to specialize (in sthg) sich (auf etw (A) ) spezialisieren
[have special qualifications] (auf etw (A) ) spezialisiert sein
Complétez la séquence avec la proposition qui convient.
If I had known you were vegetarian, I … a different meal.