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It'sagreencityustoknowA,tofromB,forabout,Cwith,toD,foraround选择?为什么?

题目详情
It's a green city_us to know_A,to from B,forabout,Cwith,to D,for around选择?为什么?
▼优质解答
答案和解析
B
for us to know about 是不定式的复合结构作后置定语,修饰city
A,C 没for
D around 用错.了解.用know about