2019年商务英语初级考试写作模拟试题：拒绝参加酒会回函

　　Dear Mr.Smith,?

　　I very much appreciate the honor of being invited to your cocktail reception to celebrate your anniversary.Please accept my congratulations on this wonderful occasion.? Unfortunately,due to a previous commitment on that particular day,I am unable to attend the reception.I hope you understand.?

　　I have long admired your achievements over the last twenty years and hope you will continue in your role as one of the leaders in your field.?

　　Again,thank you very much for your kind invitation.?　　?

　　Yours sincerely,