单项选择题
A．Looking for a postcard. B．Visiting the Brownings. C．Filling in a form. D．Writing a postcard.
A．A kind of German sausage. B．A resident of Frankfurt. C．A kind of German bread. D．The name of a German town.
A．A terrible nightmare. B．An imaginary situation. C．A real life experience. D．An invented story.