Scientists have come to the conclusion ___________ the temperature on Earth is getting higher and hi...
2022-10-04 05:47:53 159次 天津市和平区2017届高三第四次质量调查（四模）英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Scientists have come to the conclusion ___________ the temperature on Earth is getting higher and higher.
A. What B. that
C. which D. when
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