Problem: How does the sentence end?

The old man was thinking about getting his teeth replaced with dentures, since the
Answer: teeth would be weaker.

Problem: How does the sentence end?

the funny movements were caused by the little energy within him during the dance , the
Answer: energy was limited.

Problem: How does the sentence end?

Elena wanted to have a serious conversation with Laura who did not, so
Answer: Laura adopted a humorous tone.

Problem: How does the sentence end?

The cake Betty made looks better than Monica's because
Answer:
Betty is a chef by day.