[Q]: How does the sentence end?

Grad school was a chore for Christine but fun for Megan, since

[A]: Christine hated studying and taking tests.

[Q]: How does the sentence end?

Kayla drank more wine than Rachel at the wine tasting, because

[A]: Kayla enjoyed drinking and forgot to spit it out.

[Q]: How does the sentence end?

While they were exploring the inside of a huge cave, Betty got lost but luckily Sarah found her before it was too late.

[A]:
Betty was rescued.