[Q]: How does the sentence end?

Emily was still hungry after she and Katrina had eaten, so 

[A]: Katrina offered her an extra scrap of food.


[Q]: How does the sentence end?

Monica was operating under the impression that Amy agreed with them, but 

[A]: Amy was disagreeable.


[Q]: How does the sentence end?

Justin is a vegetarian and Craig is lactose intolerant. 

[A]:
Craig avoids foods made from dairy.