◎ 题干
Lots of trees ________in our city over the years. It is becoming greener and greener!
A.are plantingB.have planted
C.will be plantedD.have been 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“Lots of trees ________in our city over the years. It is becoming greener and greener!A.are plantingB.have plantedC.will be plantedD.have been planted…”主要考查了你对  【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。