There is no mention of any of the events of that afternoon.
They didn't mention the things that had happened that day.
They told them all about that day's events.
The child is dirty.
A boy walks along the tracks.
It was noon.
Another way of stating rich vs. poor is saying educated vs. uneducated.
I'm sure that the residue coming from the power plants is safe.
Don't! begged Tuppence, earnestly.