题目内容
() 7. About of the earth covered with water,but we have less fresh water.
A. three quarter;is B. three quarters;is
C. three quarter;are D. three quarters;are
B
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题目内容
() 7. About of the earth covered with water,but we have less fresh water.
A. three quarter;is B. three quarters;is
C. three quarter;are D. three quarters;are
B