About 40 ________ of the population of that country ________ on farms.A.percent, livesB.percent, liveC.percents, liveD.percents, lives
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B解析那个国家大约40%的人口都务农。percent没有复数形式,故排除C、D两项;“分数+名词”作主语,谓语动词应与后面的那个名词在数上保持一致,但本题中的population在本句中等于people,故谓语动词要用复数形式,因此B项正确。