◎ 题干
In order to make our city green, ______.
[     ]
A. it is necessary to have planted more trees.  
B. many more trees need to be planted.  
C. our city needs more trees.  
D. we must plant more trees.
◎ 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“In order to make our city green, ______.[ ]A. it is necessary to have planted more trees.B. many more trees need to be planted.C. our city needs more trees…”主要考查了你对  【状语从句】  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。