[Q]: How does the sentence end?

Jim knew he needed more fibre and less fat in his diet. The 

[A]: fibre kept him feeling full and regular.


[Q]: How does the sentence end?

It took weeks to transverse the prairie but the mountain took mere days, since the 

[A]: mountain was easy terrain.


[Q]: How does the sentence end?

Betty had the ability to pick up the guitar and play well unlike Sarah, since 

[A]:
Betty was from a musical family.