[Q]: How does the sentence end?

John got more money when he sold the coin than when he sold the stamp because the

[A]: coin was valuable.

[Q]: How does the sentence end?

Felicia showed Jennifer a trick in how to soften a paintbrush.

[A]: Felicia was smart.

[Q]: How does the sentence end?

Although they had the same tank size, the racecar needed fuel frequently but the truck could go several miles without stopping. The

[A]:
racecar was less fuel efficient.