Problem: How does the sentence end?

Donald wanted to learn how to crochet from Jeffrey because 
Answer: Donald is excited to learn the skill.

Problem: How does the sentence end?

Nick offered to help Dennis to learn the Korean language because 
Answer: Nick was a Korean native.

Problem: How does the sentence end?

Robert thought Randy was a player, because 
Answer: Robert saw him with lots of different girls at the same time.

Problem: How does the sentence end?

Megan asked Angela to drive to the local dentist, because 
Answer:
Megan needed a cavity filled.