◎ 题干
A large number of students in our school ____ from the countryside; the number _____ growing these years.
A.is; has beenB.are; has been
C.is; have beenD.are; have been
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“A large number of students in our school ____ from the countryside; the number _____ growing these years.A.is; has beenB.are; has beenC.is; have beenD.are;…”主要考查了你对  【一般现在时】【将来进行时】【过去完成进行时】【过去将来时的被动语态】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。