Problem: How does the sentence end?

Volunteering at the animal shelter was a good opportunity for Aaron but not Robert because 
OPTIONS:
- Aaron was scared of dogs.
- Robert was scared of dogs.
Answer: Robert was scared of dogs.
sentence: Since Joel loved baseball and Randy hated it,  OPTIONS:
- Joel gladly attended the game on Friday.
- Randy gladly attended the game on Friday.
complete: Joel gladly attended the game on Friday.
Kayla could not afford golf clubs that were are nice as Laura's, because 
OPTIONS:
- Kayla was wealthy.
- Laura was wealthy.
Laura was wealthy.
Input: Continue writing.

Emily could swim better and faster than Megan could because 
OPTIONS:
- Emily had a fatter body.
- Megan had a fatter body.

Continued: Megan had a fatter body.
Story needs to be completed:
During the class lecture Betty made sure to be attentive while Patricia preferred to be social because 
OPTIONS:
- Betty wanted to attend Harvard.
- Patricia wanted to attend Harvard.

My choice:
Betty wanted to attend Harvard.
Problem: How does the sentence end?

Jeffrey thought Adam had gum disease from not brushing his teeth enough. 
OPTIONS:
- Jeffrey thought his friend was nosey and rude.
- Adam thought his friend was nosey and rude.
Answer:
Adam thought his friend was nosey and rude.