Hello there!
This would be an example of a(n) idiom.
Saying something "costs an arm and a leg" could mean something is very pricey, or exspensive.
Hope this helps!
~DL
Answer:
his/her purpose is the correct answer. Hope this helped :)
Explanation:
B with the sentence: <span> Either Mom or Dad cook dinner for the family each night.</span>
Well they did it to make the country better
