"june 5"的5要怎么读?是读the fifth 还是fifth?

"june 5"的5要怎么读?是读the fifth 还是fifth? 是in the fifth floor还是on the fifth floor 是on fifth floor还是on the fifth floor? on March 5th 写成 on March fifth 还是on March the fifth 那种写法对 是on fifth,在5日 还是in fifth 在5日 请问the fifth的缩写是什么?是不是the 5th on the fifth floor,还是in the fifth floor? the 5th day of fifth lunar on the fifth floor还是on fifth floor the fifth和one fifth 为什么是on fifth avenue而不是on the fifth avenue the fifth lesson的意思