Problem: How does the sentence end?

Michael introduced Jason to the sport of freshwater fishing, because 
Answer: Michael grew up right next to a lake.

Problem: How does the sentence end?

In the book, the dragons liked to sunbathe on the rocks, but not on the sandy beaches although the 
Answer: beaches were warmer.

Problem: How does the sentence end?

Cynthia is always amazed at how Jennifer can walk in stiletto boots, because 
Answer: Cynthia is so clumsy in heels.

Problem: How does the sentence end?

Mike wanted to balance the bottle on the shelf but the 
Answer:
shelf was too narrow.