Some scientists don't deny the existence of aliens ,but further evidence is still needed to _____ it...
2022-09-25 23:20:36 93次 黑龙江省2017-2018学年高二下学期期中考试英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Some scientists don't deny the existence of aliens ,but further evidence is still needed to _____ it.
A. compromise B. confirm
C. commit D. concern
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