◎ 题干
— Do you plant trees in spring?            
—Yes. Many trees          in our city every year.     
[     ]
A. are planting  
B. are planted  
C. were planted
◎ 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“— Do you plant trees in spring? —Yes. Many treesin our city every year.[ ]A. are planting B. are planted C. were planted…”主要考查了你对  【被动语态】【一般现在时】  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。