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题目内容双击单词支持查询和收藏哦～
It is difficult to provide _____ proof for the existence of ghosts and other spiritual beings that remain unseen by the majority of the population.
- A.indisputable
- B.daunting
- C.uncanny
- D.momentous
- E.skeptical
- F.demonstrable
A,F显示答案
以上解析由 考满分老师提供。
