[Q]: How does the sentence end?

Neil got lost in the wood and Joel found them, so

[A]: Neil made sure to express their gratitude.

[Q]: How does the sentence end?

Emily had a lot more trouble sleeping than Felicia because

[A]: Emily has had insomnia for years.

[Q]: How does the sentence end?

Woolen scarf is better in cold weather than the cotton scarf because the

[A]:
woolen scarf is thick.