Problem: How does the sentence end?

Betty listened at the hardware store to Tanya describe the virtues of the polyurethane, and then 
Answer: Tanya sold the product.

Problem: How does the sentence end?

Dating is harder for Kyle than it is for Steven. 
Answer: Kyle must be the more awkward man.

Problem: How does the sentence end?

Jessica was not assigned to chop the butter and Rebecca was because 
Answer: Rebecca was good with a knife.

Problem: How does the sentence end?

Angela likes to have a dog as pet but Rachel does not. 
Answer:
Angela adopts a dog from the shelter.