单项选择题
A.seriously B.immediately C.sudden D.permanent
A.The functions of the Department of Labor in America. B.A serious problem threatening American economy. C.The successful attempt of regulating sweatshops in America. D.The seriousness of the problem of sweatshops in Americ
A.to accept unwillingly B.to refuse coldly C.to welcome warm heartedly D.to blame strongly