◎ 题干
—I heard the peasants here        very poor in the past.
—Yes,but there        great changes in the past few years.
A.have been;have beenB.have been;were
C.were;have beenD.were;were
◎ 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“—I heard the peasants herevery poor in the past.—Yes,but theregreat changes in the past few years.A.have been;have beenB.have been;wereC.were;have beenD.wer…”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。