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9. His mediation was not ___ of better relations between them, so a new mediator was assigned to improve the situation.
(A) impotent
(B) idle
(C) productive
(D) barren

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最佳解!
M 大三上 (2018/01/31)
His mediation was not productive of better relations between them, so a new mediator was assi.....觀看完整全文，請先登入
5F
Hubia 小二上 (2021/07/06)

補充 (但明明跟英文沒啥關係)

barren (adj.) 貧瘠 ㄐㄧˊ

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6F
Ina Wang 高三上 (2022/04/27)

productive(adj.)多產的，富饒的；富有成效的 


9. His mediation was not ___ of better r..-阿摩線上測驗