Problem: How does the sentence end?

Brian learned how to grow a long beard by watching Ian 's videos. 
Answer: Brian lacked authority on this topic.

Problem: How does the sentence end?

I would rather take test online than in person because the 
Answer: in person gives me little privacy.

Problem: How does the sentence end?

Betty accused Jennifer of being a flirt because she was always touching men's arms. 
Answer: Betty thought this behavior was trashy.

Problem: How does the sentence end?

Because Mary did not own a washer and Felicia did, 
Answer:
Mary asked her to wash her jeans for her.