[Q]: How does the sentence end?

Emily is showing Megan the appropriate method to prune flowers because 

[A]: Megan is a novice gardener.


[Q]: How does the sentence end?

To avoid separation, Randy followed closely behind Kyle because 

[A]: Kyle was very familiar with the area.


[Q]: How does the sentence end?

The plow was attached to the bull and the bell to the calf because the 

[A]:
bell helped keep track of the calf.