[Q]: How does the sentence end?

Robert cleaned their countertop very well but Nick did not. 

[A]: Nick had a dirty home.


[Q]: How does the sentence end?

The maid wanted to use the mop to clean the floor but the 

[A]: floor was too large.


[Q]: How does the sentence end?

The website designed by Eric looked very professional but Nelson's website looked shoddy, since 

[A]:
Nelson did not have a degree in website design.