Problem: How does the sentence end?

During the fundraiser, Rebecca gave a cupcake to Maria because 
Answer: Rebecca already made a lot of sweets.

Problem: How does the sentence end?

The kids were excited to leave school to go to the party because the 
Answer: party was fun.

Problem: How does the sentence end?

Megan was feeling more tired than Samantha although 
Answer: Samantha had danced more at the party.

Problem: How does the sentence end?

Ian asks help of Dennis whenever he runs into issues with his computer because 
Answer:
Ian is unknowledgeable in computers.