Our classroom is _____（在顶楼）of Building A.这句话应该用 on the top floor还是at the top floor顺便说一下他们的区别.我们的教辅上说这一道题应选at the top floor ,但老师说选on the top floor
问题描述：
Our classroom is _____（在顶楼）of Building A.这句话应该用 on the top floor还是at the top floor
顺便说一下他们的区别.我们的教辅上说这一道题应选at the top floor ,但老师说选on the top floor
答
正确的介词是 on ,比如
on the first floor
on the second florr
on the top floor
正确的表达方式是
Our classroom is (on the top floor) of Building A.
我是加拿大人,前英语老师.
英语是我第一语言.