Problem: How does the sentence end?

Neil had stronger muscles than Samuel did, because
Answer: Neil worked out at the gym with barbells.

Problem: How does the sentence end?

Allison tried to use an elastic band to put her hair in a ponytail, but the
Answer: hair was too short.

Problem: How does the sentence end?

The bed could not be covered with the towel without exposing some part of it. The
Answer: towel is small.

Problem: How does the sentence end?

Victoria spent long hours at the library doing research and studying, while Erin goofed off and went out drinking.
Answer:
Erin scrapped a passing grade on the final test.