Problem: How does the sentence end?

Nelson wanted to avoid all contact with Benjamin, because 
Answer: Benjamin expected a lot of money from them.

Problem: How does the sentence end?

Cynthia never did as well academically in high school as Erin because 
Answer: Cynthia  was rarely studying.

Problem: How does the sentence end?

Sarah got an A on the test while Kayla did not because 
Answer: Sarah remembered the teachers instructions to mail the test in unfolded in a larger envelope.

Problem: How does the sentence end?

Megan decided to push Laura to enter the contest because 
Answer:
Laura was capable and would win the first prize.