Friends were important to Emily while Cynthia was more independent, so 
OPTIONS:
- Emily tolerated being alone.
- Cynthia tolerated being alone.
Cynthia tolerated being alone.

The doctor tried to store the eyes inside the boxes but the 
OPTIONS:
- eyes were too large.
- boxes were too large.
eyes were too large.

Monica had the bad habit of chewing their nails but Katrina didn't have the same habit. 
OPTIONS:
- Monica had neat looking hands.
- Katrina had neat looking hands.
Katrina had neat looking hands.