True, key words are the main words in a sentence.
Answer:
a stone and an iron sheet.
a story the idea for wheat in an uncovered meals.
A russian doctor.
a european artist
an honest servant
a noble master.
The correct answer is A ephemeral--evanescent
Both words refer to concepts that are quickly fading, last for a short time, disappear, or similar.
Do you have a picture of the page so I could read ur