Problem: How does the sentence end?

Justin had a queasy stomach but Kyle had an iron stomach. The bad sushi caused 
Answer: Justin to vomit.

Problem: How does the sentence end?

Although from competing agencies, Patricia asked Tanya to work with them, because 
Answer: Tanya had expertise on the project.

Problem: How does the sentence end?

Katrina asked Erin how to do her hair like Arwen, because 
Answer: Katrina had never been able to do that before.

Problem: How does the sentence end?

Laura is taking singing and dancing lessons from the Jessica, because 
Answer:
Laura wants to get better.