序数词的介词如:the first floor前加on还是in?
序数词的介词如:the first floor前加on还是in?
at the first floor还是on the first floor
won first prize in his group 是什么意思? 什么时候 first(序数词) 前可以不加the
They are in first place.这句话序数词前要不要加the?
on the first floor 中为什么要用“first”序数词呢
trip前加什么介词是in on 还是 at
December 2014前加什么介词,in,on还是at?
the is a book shop ()the first floor 填on 还是in
in the first floor
“住在第一层”是live on the first floor还是live on first floor
序数词前加the?
英语序数词前面用介词on还是in?