Dear jack，
we will have a graduation ceremony next week.And I strongly suggest you attend.Because this is a great honor to us .
Example 2 Formal Reply ( Decline )谢绝Mr. and Mrs. George Mailer present their compliments to Mr. and Mrs. Robert, and regret that a previous engagement prevents them from accepting the kind invitation to dinner on Friday, March 26th. 17 Butter Place March 22nd
