The city was urban.
I think you want to say how do you use rural in a sentence, right? You could say: in the US, most people live in urban areas and fewer live in rural areas.
I know how you put "urban" in a sentence. I just did!
I from urban Renewal in the large city
The story about huge alligators in sewers is an urban legend.
there are many people living closely together in urban areas
the old city was turned into an urban core because it was old.
A sentence to say in one sentence is to say a sentence in one sentence! It is quite easy to say a sentence in one sentence if that is all you have to say. "The cat with brown hair, hair of brown has the cat" is a sentence to say in one sentence. To say in one sentence the reasons behind the onset of World War Two does not do the subject any justice at all.
Here are some sentences.The urban jungle is what they call the inner city.Do you live in an urban area or a rural area?
When Keith Urban is in a movie, I want to watch it. When Keith Urban takes off his shirt, I feel faint.
We call it "urban sprawl."
The rich know to live in the city yet they know the hardneship to live in the urban.
The new art exhibit showcases the dynamic creativity of urban street artists.