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월간텝스11월 whose of which
어려부 | 2014.12.01 | 조회 2489
~ dark energy, substances ______ makeup is still unknown.



답이 whose인데요..

해설에는 of which가 정답이 되려면 the makeup of which가 되어야한다는데

그렇다면

substance whose makeup is still unknown.

=substance the makeup of which is still unknown.

라는건데

substance of which makeup is still unknown은 왜 안되는걸까요 ㅜ
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