To Whom It May Concern：It is my great honour to recommend XXX（你的名字） to you,as she/he was one of my best students in our department.XXX has been attending my English classes in the Department of XXX for more than 3 years and the deep impression she made on me has not faded in the least.She/He is very intelligent,honest,creative,articulate,outgoing and adaptive person.She/He is extramely fancy about learning English and always performances positively in my class.Her/His high academic achievement speaks for itself.I am certain that XXX would make great contributions to your company,and I strongly recommend her for the position.（如果是出国读书的推荐信就说i am certain taht XXX would be qualified for the entry requirement of your University）,Please do not hesitate to inquire further if I can be of help to you.Sincerely,XXX(老师的名字,签名然后清楚的书写)