题目内容
【题目】About_____ of the earth__ __covered with water, but we have less and less available fresh water.
A. three-fourth, is B.three-fourths, is
C. three-fourth, are D. three-fourths, are
【答案】A
【解析】
试题分析:句意为:地球大约四分之三被水覆盖。但是我们拥有的越来越少。分数的表达:分子用基数词,分母用序数词,当分子大于一时,分母应加“s”。根据语境,这里主语为单数概念,根据主谓一致原则,谓语动词也应用第三人称单数。故应选A。
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