An air ..... unit is used to cool a room or house in hot weather.

An air ..... unit is used to cool a room or house in hot weather. (*) transforming (*) changing (*) conditioning (*) subtracting


This is a companion discussion topic for the original entry at https://english.best/questions/21738,an-air-___-unit-is-used-to-cool-a-room-or-house-in-hot-weather/