单项选择题
Inorder to understanding your audience, you should （ ） lastly.
单项选择题 If there is more than one guest, the second highest guest is seated on the （ ）of the host.
单项选择题 下列哪些行为触犯一类DM制度（）
单项选择题 In?a?formal?business?meal?it’s?very?significant?to?keep?table?manners. Which?of?the?followings cannot?be?accepted? （ ）
