[Q]: How does the sentence end?

Natalie used to punish their dog for accidents but Megan never did. This was because 

[A]: Natalie was very strict.


[Q]: How does the sentence end?

The ball wasn't able to roll down the area's tube because the 

[A]: tube was too thin.


[Q]: How does the sentence end?

Derrick had more patience in the waiting room than Eric as, 

[A]:
Derrick is more tolerant of wait times.