单项选择题
A．bag B．pocket C．box D．jar
A．To introduce meeting organizers. B．To call for papers for a meeting. C．To invite students to a meeting. D．To explain meeting programs.
A．They hope to show money is very important. B．They want to prove they can afford a holiday. C．They think a good family makes them truly happy. D．They believe a happy person considers people first.