Problem: How does the sentence end?

I tried to put money in my wife's pocket but I couldn't because the 
Answer: money was too thick.

Problem: How does the sentence end?

The school stood for longer than the factory had because the 
Answer: school was being taken care of.

Problem: How does the sentence end?

Benjamin asked Robert to advise them about tourist attractions in Texas because 
Answer: Robert was a native Texan.

Problem: How does the sentence end?

Rachel wanted to start an exercise regime but Lindsey did not as 
Answer:
Rachel was very energetic.