（）of the ink has already been used up.You had better buy a new bottle.

（）of the ink has already been used up.You had better buy a new bottle.

题目

（）of the ink has already been used up.You had better buy a new bottle.
A.Two-third B.two-thirds C.Two-three D.Two-threes

答案

B
分数的表达法：分子用基数词,分母用序词,分子大于1,分母要加S
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