sentence: Carrie signed up for an improv group while Christine did not, because 
complete: Christine had always really dreaded acting.

sentence: "The ability to finish what you start is what you need to improve", said Michael to Brian,  
complete: Brian sometimes has to be the one to take charge.

sentence: Christine tried to rest after breaking their toe, but Cynthia was unsympathetic. 
complete:
Christine knew how much pain a broken toe was.