题目内容：

Some people are looking for a world of wonders,______ anything can happen
Some people are looking for a world of wonders,________anything can happen
A Which B in where C one which D one where
选D,为什么

优质解答

one是指代前面的a world,因为是泛指所以用one.这是同位语.
where是定语从句,修饰前面的的one. 世界是地点,用where引导定语从句.

追问：

one 可以省略吗?

追答：

完全可以省略！