Problem: How does the sentence end?

Although Jennifer was more considerate than Lindsey,
Answer: Jennifer didn't know how to act in front of children.

Problem: How does the sentence end?

Rebecca was invited to a concert by Maria, then
Answer: Rebecca had to get permission to attend from their parents.

Problem: How does the sentence end?

Kayla lifted up her shirt and proudly displayed her piercings to Rachel.
Answer: Kayla was daring.

Problem: How does the sentence end?

Amy can find the words quickly in the dictionary while Natalie took their time.
Answer:
Natalie was rather careful.