No more than 15 scientists __________ the South Pole till now. A.visited B.had visited C.have visite...
2022-05-08 07:56:04 160次 黑龙江省牡丹江市2019-2020学年高二6月月考英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
No more than 15 scientists __________ the South Pole till now.
A.visited B.had visited C.have visited D.visit
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