QUES: Continue writing.

My knee joint is more injured than my ankle joint so I'm trying not to put too much stress on the 

OPTIONS:
- knee joint if I can help it.
- ankle joint if I can help it.
+++++++++
ANS: knee joint if I can help it.
Problem: How does the sentence end?

The case was supposed to fit the firearm, but it didn't because the 
OPTIONS:
- case was too short.
- firearm was too short.
Answer: case was too short.
sentence: Melanie needs new mascara and needs to choose between waterproof and regular. She chooses the  OPTIONS:
- waterproof because it has staying power.
- regular because it has staying power.
complete: waterproof because it has staying power.
The airport had more customers than the bus station because the 
OPTIONS:
- airport had slower transportation.
- bus station had slower transportation.
bus station had slower transportation.
Input: Continue writing.

Monica has a lot of confidence in their ability to play drums but Amy doesn't, because 
OPTIONS:
- Monica practices very often.
- Amy practices very often.

Continued: Monica practices very often.
[Q]: How does the sentence end?

Hunter asked Derrick to make the fresh chips and dip for the birthday party since 
OPTIONS:
- Hunter just bought potatoes.
- Derrick just bought potatoes.

[A]:
Derrick just bought potatoes.