因为不认识你，只能按想象的往好里写你。你可能比我写的还优秀。自己改改吧。祝你成功！To whom it may concern，I strongly support Miss Yu Cheng to apply for place in your school to carry out her PhD Yu has been a master student under my supervision since 2009 and undertaken her study on ABC since She is one of most talented students in our Her academic report based on the examination results of all her subjects has been excellent， which has ranked top 5% among all postgraduate students of her She has a very quick mind and a great learning She has a remarkable ability to carry out her project She always works hard and her work is always During her three years study she has published 2 journal papers， one in Chinese and one in E She also presented her work at the 30st International conference on ABC in Berlin (2011) Based on what she has achieved with us and her ability， I am confident to recommend her to carry on her study under your I hope her application will be successful and a place can be offered to For any inquiries about Yu's academic backgroud， please don't be hesitated to contact Professor Tang JunJ
