单项选择题
A. tell information about a delivery B. change the schedule C. give an invitation D. make a complaint E. place an order F. make an announcement G. postpone a session H. inform of the success of a presentation
A. complain about job interference B. design a package of a product C. review a contract D. work on a TV advertisement E. produce a new soap F. present a yearly projection G. present an operation budget H. talk about profits