单项选择题A．He should show respect for the interviewer.B．He should show confidence in himself.C．He should talk enthusiastically.D．He should be dressed properly.

单项选择题A．Because many young people have moved into comfortable apartments.B．Because many old houses in the bad part of the town are not inhabited.C．Because many older people sell their houses after their children leave.D．Because many people have quitted their old houses to build new ones.