_____ does it take you to go to the Great Wall from your school by bus?

问题描述:

_____ does it take you to go to the Great Wall from your school by bus?
A.How far B.How long
请问A为什么不行?

原句型为 It takes sb (time一段时间) to do sth
翻译为:某人做某事花了多少时间;it 是形式主语,真正的主语是不定式to do sth
How long does it take you to go to the Great Wall?你用多长时间到达长城
how far多远,这里不能和人you 同时出现,应表示为How far is it from your school to the Great Wall?你学校距离长城有多远?