Question

【题目】For many cities in the world, there is no room to spread our further, of New York is an example.

Answer 1

【答案】which
【解析】句意：世界上许多大城市，没有更多的空间进一步扩展，纽约就是一例。此处是of which引导的间隔性非限制性定语从句， 对cities起补充、说明的作用。介词of的选择取决于和前面名词的搭配 of the cities。所以答案是which。