sentence: Angela wrote a letter to Cynthia, telling them to shut their dogs up, because
complete: Angela was sick of losing sleep.

sentence: Michael was excited for the audition for the spring musical. William was nervous.
complete: Michael comforted them and offered help with rehersals to feel more confident.

sentence: Megan liked to decorate the house and not Betty so
complete:
Megan went to the store and picked out new lamps.