9. I hope you will consider my application, and I appreciate a reply at your earliest convenience.
我将很感激您在百忙之中的早日回复。
还能这样说：
I appreciate your reply to my application in so short time.
I express my gratitude to you, for you spare your time to reply me.
谚语：
Hope for the best and prepare for the worst.
抱最好的希望，做最坏的打算。

10. I venture to apply for a job, and enclose the copies of my credentials.
我冒昧给您写信想申请一份工作，随函附上我的各种证明的复印件。
还能这样说：
Enclosed with the copies of my credentials, I take the liberty to apply for a job.
I venture to send an application for a job enclosed with copies of my credentials.
应用解析：
Chinese copy 与原物一模一样的复制（仿制）品

11. I usually send my resume through the internet.
我常常通过网上投简历。
还能这样说：
I often send my CV via internet.
I usually apply for a job through internet.
谚语：
Gifts blinds the eyes.
拿了手软，吃了嘴软。

12. I am creative and resourceful in generating ideas and solving problems.
我在提出问题和解决问题方面很有创造性和策略性。
还能这样说：
I have creative opinions and resourceful ideas in handling problems.
Full of creativity and intelligence, I can put forward views and deal with problems successfully.
应用解析：
create about nothing 无事自扰；
create the part of 初次扮演……角色