Fill in the blanks in the following letters with the given words and expression .Change the form if necessary. present seminar r eply arrangement invite join admire session Dear Mrs.Brown: All the staff of our company have long 1)___ your excellent research activities and would enjoy learning more about your work. We would like to 2)___ you to speak at the opening 3)____ of our annual 4)_____ on sales promotion to be held at Hilton Hotel on March 3 at 9:30 a.m. Since the opining session lasts one hour and a half,a one-hour address followed by a 30-minute question and answer period would be ideal. About 100 persons are expected to be 5)____;most of them are sales managers ,or persons with experience in marketing. We do hope you can 6)___ us that day. I would appreciate your 7)____ by February 24,so we can make8)_____ for you. Sincerely, Tom Brown