单项选择题A.He will practice the songs beforehand.B.He will drink some beers before singing.C.He will give the microphone to the other friends.D.He is an outgoing person.
单项选择题A.The mental disorder is very serious.B.Many people are not as serious as they’ve been told.C.The symptoms are easy to be defined.D.More and more people are caught by the psychological disorder.