地道英语 ：如果你有空的话请给我回信

wish hear from you soon.s'il vous plait
不要这么中国味道吧,我在美国从来没看到哪个美国人那一个一个的翻译的

Please give reply to me when you are free.

please reply me when you are free.

Please write back to me if you are free.

Please write back to me when you are free

Please write back to me if you are free