[Q]: How does the sentence end?

Carrie was watching a TV show while Katrina was reading, and

[A]: Katrina continued to look at the pages.

[Q]: How does the sentence end?

Rachel tries to stretch every morning to be flexible like Katrina, but

[A]: Rachel finds it challenging.

[Q]: How does the sentence end?

Betty smoked a lot more tobacco then Rebecca because

[A]:
Betty was very much addicted to nicotine.