Problem: How does the sentence end?

Studying economics was far easier for Megan than Monica, as 
Answer: Monica struggled with numbers and math.

Problem: How does the sentence end?

At the prayer meeting Elena understood the Hebrew prayers but Jennifer didn't as 
Answer: Jennifer neglected Jewish religion.

Problem: How does the sentence end?

Laura disabled Katrina 's car so that 
Answer: Katrina could be prevented from driving it home drunk.

Problem: How does the sentence end?

I used a wine bottle to pour some wine into a wine glass, because the 
Answer:
wine glass was empty.