sentence: Susan was making a cake for a party and she had an egg but didn't have milk. It was necessary to go to the store for the 
complete: milk .

sentence: The violent response of Patricia to Lindsey 's news indicated 
complete: Lindsey had said something she didn't like.

sentence: Cynthia drives Erin to the birthday party at the arcade because 
complete:
Cynthia is a good parent.