题目内容：

The apartment is on____floor of a tall building.
前面加不加the

优质解答

The apartment is on_third___floor of a tall building.
on third floor是第三层楼
或者第一：first第二：second都可以
不加,这是肯定的!

追问：

前面加不加the

追答：

好像要吧