The ____________ that there is life on other planets has always encouraged scientists to explore the...
2022-07-13 03:57:00 66次 2020年江苏省淮安市中考一模英语试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
The ____________ that there is life on other planets has always encouraged scientists to explore the outer space.
A.invitation B.possibility C.order D.advice
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