The phrase "was track of" is typically spelled as "lost track of." The pronunciation of the word "track" is /træk/ (track) with the "a" sound as in "cat." The word "lost" is pronounced as /lɒst/ (lost) with the "o" sound as in "cost." Therefore, the correct spelling of the phrase is "lost track of." It is important to pay attention to spelling and pronunciation to avoid confusion or misunderstanding when communicating.