Problem: How does the sentence end?

Christine found it easier to make friends than Patricia, because 
OPTIONS:
- Christine was always pleasant and courteous.
- Patricia was always pleasant and courteous.
Answer: Christine was always pleasant and courteous.
sentence: Lindsey borrowed Kayla's mascara because (  OPTIONS:
- Lindsey ) forgot to put her mascara into her make up bag.
- Kayla ) forgot to put her mascara into her make up bag.
complete: Lindsey ) forgot to put her mascara into her make up bag.
The ball was soaking in the water for hours, unlike the bat, which made the 
OPTIONS:
- ball extra soggy.
- bat extra soggy.
ball extra soggy.
Input: Continue writing.

Despite the temperature being 90 degrees, Erin told Kayla that she was putting on a sweatshirt.  
OPTIONS:
- Erin was puzzled.
- Kayla was puzzled.

Continued: Kayla was puzzled.
Story needs to be completed:
Brian lost his foot race against Justin because 
OPTIONS:
- Brian ran much slower than his opponent did.
- Justin ran much slower than his opponent did.

My choice:
Brian ran much slower than his opponent did.
Problem: How does the sentence end?

To clean better, Johnny replaced his regular toothbrush with an electric toothbrush. The 
OPTIONS:
- electric toothbrush cleaned worse.
- regular toothbrush cleaned worse.
Answer:
regular toothbrush cleaned worse.