Problem: How does the sentence end?

Because Christopher was in a relationship but Brett was single, 
Answer: Christopher would never flirt with women at the bars.

Problem: How does the sentence end?

Carrie could dance better than Tanya could because 
Answer: Carrie had taken more years of ballet.

Problem: How does the sentence end?

John complained about leg pain whenever he walk to the school but not when he walk to the church. It turns out the 
Answer: church is close.

Problem: How does the sentence end?

Lindsey loved the taste of duck but Megan liked chicken better. 
Answer:
Lindsey ordered the Peking Duck for dinner.