________ three fourths of the Earth's surface is covered with water, 97 percent of it is salt water ...
2022-09-17 23:23:42 175次 牛津上海版英语九年级第二学期 Unit 1 单元测试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
________ three fourths of the Earth's surface is covered with water, 97 percent of it is salt water in the sea.
A.But B.Although C.As D.However
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