[Q]: How does the sentence end?

When it comes to stitching, Jessica is more skilled than Felicia due to 

[A]: Jessica sewing for a living.


[Q]: How does the sentence end?

Betty helped Monica with some last minute studying because 

[A]: Betty had made good grades on the last tests.


[Q]: How does the sentence end?

Cynthia was proud of Rachel after they were accepted into the prestigious school, because 

[A]:
Rachel had earned their success.