It is only 40 minutes from the centre of Beijing by underground.
问题描述：
It is only 40 minutes from the centre of Beijing by underground.
这句话应该如何提问?为什么?
有人说：用“How far...”提问,可是How far...不是提问距离的吗?
答
可以这样提问的
这句话的提问就是:
How far.from the centre of Beijing by underground?
就是提问“从哪到哪距离有多远?”,
然后回答他“坐地铁只要40分钟就到了”