Problem: How does the sentence end?

The shoe salesman tried to fit the shoe onto the heel but the 
OPTIONS:
- heel was too large.
- shoe was too large.
Answer: heel was too large.
sentence: Nelson needed to lift weights at the gym and Randy did not because  OPTIONS:
- Nelson had a gym membership.
- Randy had a gym membership.
complete: Nelson had a gym membership.
Dana preferred cooking marshmallows over the campfire instead of hot dogs because more of the 
OPTIONS:
- marshmallows could fit on a stick.
- hot dogs could fit on a stick.
marshmallows could fit on a stick.
Input: Continue writing.

The surgeon tried to store the hearts in the coolers but the 
OPTIONS:
- hearts were too small.
- coolers were too small.

Continued: coolers were too small.
Story needs to be completed:
Megan borrowed Betty's new slippers because her feet were cold but 
OPTIONS:
- Megan forgot to give the slippers back.
- Betty forgot to give the slippers back.

My choice:
Megan forgot to give the slippers back.
Problem: How does the sentence end?

Kira struggled to study from her textbook, but found she could learn well from the website, so she stopped using the 
OPTIONS:
- textbook .
- website .
Answer:
textbook .