A.Invite his roommate to a partyB.Ask his roommate to go to the housing office###

外语类 公共英语 已帮助 人

A.Invite his roommate to a party

B.Ask his roommate to go to the housing office

C.Stop complaining about his roommate

D.Arrange to get a different roommate

请帮忙给出正确答案和分析,谢谢!

热搜:a是b的充分条件,b是a的必要条件吗