Problem: How does the sentence end?

The last sheet of paper would not fit in the notebook because the 
Answer: sheet was too thick.

Problem: How does the sentence end?

The children wanted Angela to babysit instead of Christine because 
Answer: Christine never brought treats along.

Problem: How does the sentence end?

Elena got very good grades in school while Lindsey was constantly failing classes because 
Answer: Lindsey did not have very good study habits.

Problem: How does the sentence end?

Jessica decided to object to the line of questioning toward Elena, because 
Answer:
Elena was their client.