用英文回复

Captain Zhu,

I've already sent you my diploma by fax, it never arrived for some reason, please give me a call asap(as soon as possible).

Best

Yu

Zhu Huiguo masters, diploma and I have been sent by fax, for whatever reason may not be sent to, please give me your phone as soon as possible, thank you.

mastersZhuGuoHui, I have been sent the diploma by fax, for whatever reason it may not be sent to, please give me your phone as soon as possible, thank you.

yu**

Dear Captain Hui Guo Zhu,
I've already try to fax my sheet, but failed,maybe other reason. So please call me as soon as possible. Thanks.
Best Regards,
XXXXXX

Dear Captain Huiguo Zhu,

I have already sent my graduation certificate by fax, but for unknown reasons it failed to reach you. Please give me a call as soon as possible.

Thanks,
Yu