He used to live in()

问题描述:

He used to live in()
A a six-storeys building B a building of six floored C a six-floor`s building D a building of six storeys

正确答案是D,如果把A改为 a six-storey buding 也是对的,算是习惯用法吧,可以对比琢磨一下区别所在,这一类的问题的都是这样的