[Q]: How does the sentence end?

Samuel taught Matthew how to calm his overactive mind because 

[A]: Samuel had successfully done so in the past.


[Q]: How does the sentence end?

The job was given to Laura and not to Jessica because 

[A]: Jessica had zero years of sales experience.


[Q]: How does the sentence end?

I tried to fit the paper under the door, but it wouldn't go because the 

[A]:
door was too tight.