해커스어학원, 해커스토익, 토익강좌, 수강신청

해커스어학원, 해커스토익, 토익강좌, 수강신청

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Has pp had pp
헬미 | 2016.04.02 | 조회 851
mr.miller worked with a manager who believed strongly that he () the skills required to be a toplevel leader

답이 had mastered 인데 has mastered는왜안되나요ㅠㅠ

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