다음 글의 빈칸 (A), (B)에 들어갈 말로 가장 적절한 것은?Som… | [법원직 9급 영어] 18년 1회차 기출문제 상세 페이지

다음 글의 빈칸 (A), (B)에 들어갈 말로 가장 적절한 것은?
Sometimes, the meaning of analogies may not be obvious. For instance, what comes to mind when you hear the phrase "white elephant" or "black sheep"? The expression "white elephant" comes from Thailand. Long ago, in Thailand, white elephants were very rare. Whenever one was found, it was given to the king. The king would then give it as a royal "gift" to someone he did not like since the beautiful animal cost a fortune to take care of. Nobody could refuse such a present, but it could financially ruin its owner. Moreover, it was a serious crime to mistreat a present from the king. Even riding it was not allowed, so a white elephant was almost useless. The expression, introduced in England in the 18th century, turned out to be useful for describing  (A)  but  (B)  public buildings. Today, it is used to refer to anything that might be  (A)  and  (B) .

(A) (B)

valuable … unprotected

costly … worthless

extravagant … appropriate

priceless … eco-friendly