单项选择题
When all or part of an order cannot be processed because the merchandise is temproarily out of stock or has been discontinued，（）needs to be notified promptly.
A.the bossB.the customerC.the studentD.the teacher
单项选择题 Like many Northern Europeans and North Americans，Norwegians prefer to maintain（）eye contact.
单项选择题 Nowdays，Japanese were taught to（）when they are talking to their business colleague.
单项选择题 It is a pleasure to have this opportunity to be（）.
