Problem: How does the sentence end?

Neil prefer to invest on speculative stocks while Steven prefers bonds as
Answer: Neil thrives on taking a risk.

Problem: How does the sentence end?

Victoria was always ahead on her bills but Elena was not because
Answer: Elena did not know how to budget.

Problem: How does the sentence end?

Lindsey cornered Sarah in the corrider and confessed her feelings for her, but
Answer: Sarah doesn't love her.

Problem: How does the sentence end?

In the garden, Randy is more adept at transplanting bulbs, while Eric is clumsy at it.
Answer:
Randy is the pro gardener.