求英语高手翻译，纯手工，不要机器，急~~~急~~~

Question

证明
王明、王敏自2009年9月至2011年5月就读于中华人民共和国***学校。在校期间，两个孩子学习认真，遵守学校纪律，成绩进步很快。因为没有中国国籍和户口，所以属于借读生，没有档案。
特此证明。

Answer 1

CERTIFICATE
May 12, 2011(具体时间按需要修改)
To Whom it May Concern:
This is to certify that Wang Ming and Wang Min who were enrolled in ...........(此处填上学
校名称)school in People's Republic of China.While they are at school, they have been studying
very hard with very good self-discipline, and have made big progress in their academic performance. Being without Chinese nationality and residence registration, they are study at this school on a temporary basis without files.
..此处填上学校名称...School

注：证明信一定要遵照它的格式来写，你的原文中还缺少些东西。比如孩子的性别， 上学的时间等，在正规的证明信中，这些也是必须的。

Answer 2

Certification

Wang Ming, Wang Min were studyed in PRC xxxx School from Sep-2009 to May-2011. They studyed very hard during in school, and their grade progress quickly, they also obey school's discipline. Since they don't have Chinese nationality and household register, they were transient students, and don't have archives.

Hereby Prove

Answer 3

REFERENCE
We hereby certify that Wang Ming and Wang Min have been studying in **school, China from September 2009 to May 2011. During that period, they have strictly obeyed the school rules, studied hard, and made a rapid progress. There is no documentary proof about their study here as they have no Chinese nationality.