[Q]: How does the sentence end?

I wanted to learn to operate a bulldozer this summer at the mine, so I asked my uncle to show me at the 

[A]: mine .


[Q]: How does the sentence end?

Neil put a lot of unwanted focus onto Donald, because 

[A]: Neil is someone who doesn't care about their desire for isolation.


[Q]: How does the sentence end?

At the construction site, Craig received instruction from Kevin on how to mix the cement because 

[A]:
Craig was his employee.