w ( pl w's or ws ) noun , W ( pl W's or Ws ) noun [ˈdʌblju:] [letter] w f, W f W abbrevation 1. (abbreviation of west ) O 2. (abbreviation of watt ) w
Complétez la séquence avec la proposition qui convient. There … be a mall in our town, but now there is a big one. didn't use to used to