In order to make our city green, .? A.it is necessary to have planted more trees
来源：网络
时间：
推荐文章
In order to make our 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 ?
试题答案
D
前半句的句意为“为了绿化我们的城市”，可得知后半句的主语应是“we”，因此只有D项符合。