◎ 题干
The environment in our hometown is getting worse and worse. So many trees ________.
[     ]
A. are planting
B. should be planted
C. should plant
D. will plant
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“The environment in our hometown is getting worse and worse. So many trees ________. [ ]A. are planting B. should be planted C. should plant D. will plant …”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。