A small plaque _____________ from mammoth ivory, dating from 30,000 BCE, is thought to have been carved by prehistoric humans to represent the constellation Orion.
- ①makes
- ②made
- ③to make
- ④was made
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정답 ②
출처: 인사혁신처 공개 기출(공공데이터포털, 이용허락 제한 없음)