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을 뽑을

… to pick

→ 을
phrase Uncommon #9,082
… to pick 을 marks the preceding noun as the object of 뽑다, which can mean to pick or select. 뽑을 is used before a noun or phrase such as 때 (“time”).
KO: 새 직원을 뽑을 계획이에요.
EN: We plan to select a new employee.

이제 자네들 후임이 될 두 사람을 뽑을 때가 왔어

It's time to choose the two people who will be your successors.

— 엘리트 스쿼드 (2007)