What prepositions should I use when talking about being a member of an organization and doing something?
Example 1:
I play tennis well because when I was a high school student, I played tennis for a year in/at/on the school tennis club.
Should I use "in" or "at" or "on"?
Example 2:
I have been playing the guitar for 3 years in/at/on a rock band.
Should I use "in" or "at" or "on"?
Example 3:
I have been doing volunteer work for 3 years in/at/on a non-profit organization.
Should I use "in" or "at" or "on"?
Example 4:
I have been managing projects and developing software for 3 years in/at/on a tech company.
Should I use "in" or "at" or "on"?