单项选择题
（ ）are made up of two or more people and any profits, debts and decisions related to the business are a shared responsibility.
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（）
