◎ 题干
Great changes____  in the city, and  a  lot offactories____.   
[     ]
A. have been taken place;have been set up   
B. have taken place; have been set up    
C. have taken place; have set up    
D. were taken place; were set up
◎ 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“Great changes____in the city, andalot offactories____.[ ]A. have been taken place;have been set upB. have taken place; have been set upC. have taken place;…”主要考查了你对  【现在完成时】【现在完成时的被动语态】  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。