A．[p].B．[m].C．[b].D．[t]Which of the following sounds is……

单项选择题According to the law, children in Britain between the ages of should receive efficient fulltime education.

单项选择题About Britain's social welfare, which is the correct discription in the following statements

单项选择题Which American president witnessed the disintegration of the Soviet Union and the Westernization of East European countries