用英文申请假期

Dear Mr ...,

I would like to apply for a pay vacation from 9th~10th, Oct.
I will hand all my jobs to ...upon your approval.
Kindly let me know your comments.

Yours, sincerely
XXX

年假用annual leave也可以

补充回答：
Would you please kindly approve I would like to take annual leave form 9th-10th of Oct. Thanks.

语法有点怪，但看的懂，建议如下：
Could you please approve my annual leave form 9th-10th of Oct? Thank you.

Dear Boss,

I would like to have a annual leave from 9th~10th of Oct.Please let me know your comments.

Regards,
XXX