Problem: How does the sentence end?

Cynthia got a much better score on their math test than Rebecca.
Answer: Rebecca didn't take the time to study for it.

Problem: How does the sentence end?

Jumping in the water was never a problem for Jeffrey but it was for Derrick, because
Answer: Derrick took boxing lessons as a child.

Problem: How does the sentence end?

The stomach was aching the whole day due to the quality of food eaten. The
Answer: Stomach felt sick.

Problem: How does the sentence end?

Kayla could not look Victoria in the eye when she spoke to her, as
Answer:
Kayla would expose that she had lied to her.