[Q]: How does the sentence end?

Lindsey was a worse teacher than Laura because

[A]: Laura had been doing the job for many more years.

[Q]: How does the sentence end?

Elena wanted to paint action figures so Kayla bought a kit. The paint made a lot of mess but

[A]: Elena had fun with the kit.

[Q]: How does the sentence end?

Jeffrey spent most of his allowance to pay for a gift to give Randy because

[A]:
Randy has his birthday today.