sentence: Carrie was rehearsing a speech in front of Amy so
complete: Carrie could get feedback on it before they said it in front of an audience.

sentence: Steven was accused by Matthew of not participating in recycle activities because
complete: Matthew is serious about recycling.

sentence: Mary wanted to add some lowlights to her gray hair, so she went to her hairstylist Rachel.
complete:
Rachel created beautiful gray hair during the appointment.