Problem: How does the sentence end?

Betty was more experienced than Jessica at chess, but it was a surprise when 
Answer: Jessica won.

Problem: How does the sentence end?

During the race Elena had to take more breaks than Victoria because 
Answer: Elena practiced a lot less.

Problem: How does the sentence end?

Emily helps Megan figure out the math homework problems, so 
Answer: Megan offers help with English in return.

Problem: How does the sentence end?

Patricia lived in Arizona and Victoria lived in Canada, so 
Answer:
Patricia never saw snow at Christmas.