Among the crises that face humans ________ the lack of natural resources. A.is B.are C.is there D.ar...
2022-06-27 15:04:03 174次 江苏省2019-2020学年高一12月阶段学习调研英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Among the crises that face humans ________ the lack of natural resources.
A.is B.are C.is there D.are there
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