In order to make out city green, . A. it is necessary to have planted more trees B. many more trees need to plant C. our city needs more trees D. we must plant more trees 【查看更多】

 

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In order to make out city green, _____.         
A. it is necessary to have planted more trees  B. many more trees need to plant 
C. our city needs more trees    D. we must plant more trees      

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