[Q]: How does the sentence end?

Emily is showing Megan the appropriate method to prune flowers because 

[A]: Emily is a professional gardener.


[Q]: How does the sentence end?

The construction worker put cement from the wheelbarrows into the containers until the 

[A]: containers were full.


[Q]: How does the sentence end?

Nick was not very cultured, while Nelson was very knowledgeable, so 

[A]:
Nelson got to pick the movie .