◎ 题干
Great changes __ in the city in the past 20 years, and a lot of factories ____.
A.have been taken place; have been set up
B.have taken place; have set up
C.have taken place; have been 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 in the past 20 years, and a lot of factories ____.A.have been taken place; have been set upB.have taken place; have set upC.have …”主要考查了你对  【实义动词的单数第三人称形式】【实义动词】【动词短语】  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。