[Q]: How does the sentence end?

Craig is the better guitar player when he is compared to Jason because 

[A]: Jason practices infrequently.


[Q]: How does the sentence end?

Laura offered to help Felicia with her baby, as 

[A]: Laura had raised many children in her life.


[Q]: How does the sentence end?

Lindsey never suffered from a concussion after fighting but Maria did because 

[A]:
Lindsey always used a helmet.