[Q]: How does the sentence end?

Randy showed Michael how to use the square app because 

[A]: Michael was uncomfortable with electronics.


[Q]: How does the sentence end?

Emily was a farmer who grew sweet corn to sell but Cynthia could not, so 

[A]: Emily sold corn from the roadside stand.


[Q]: How does the sentence end?

When Adam locked his keys in the car, he called Kyle for help. 

[A]:
Kyle said that that the charge was only $20.