Problem: How does the sentence end?

Nelson is always trying to get the attention of Justin because 
Answer: Justin is very busy.

Problem: How does the sentence end?

Christine was much healthier than Carrie was because 
Answer: Christine ate many more vegetables during the day.

Problem: How does the sentence end?

Ryan was fit and ran around the field far in front of Joel  
Answer: Ryan sure was athletic.

Problem: How does the sentence end?

Jane was starring at the sea until the sun set behind it and now just the 
Answer:
sea is visible.