Joel wanted to play the drums in Aaron's band so 
OPTIONS:
- Joel invited him to audition for the band.
- Aaron invited him to audition for the band.
Aaron invited him to audition for the band.

Matthew was explaining to Joseph how to properly build a fallout shelter.  
OPTIONS:
- Matthew was impressed.
- Joseph was impressed.
Joseph was impressed.

Betty accused Jennifer of being a flirt because she was always touching men's arms. 
OPTIONS:
- Betty thought this behavior was normal.
- Jennifer thought this behavior was normal.
Jennifer thought this behavior was normal.