Fahai finally let Bai Suzhen go.
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Lady Meng Jiang finally cried down the Great Wall.
A. 对
B. 错
What did the Queen of the Heaven do in the story of The Cowherd and the Weaving Girl ?
According to the clip, by 2040 up to _____ more countries could be experienced water shortage.
A. 20
B. 30
C. 37
D. 44
____________ of earth's liquid water is saltwater.
A. 3%
B. 97%
C. 37%
D. 63%