One day, Christina who was a class leader during high school came up an idea to hold the reunion to gather everyone together. And she spent much time preparing for it in advance. For instant, she had to make an appointment for a restaurant, made invitation cards to everyone, contacted with each one and so on. She really made an effort on this reunion. Christina hoped the reunion could be mean a lot to all of the classmates and everyone could share their unforgettable things happened during their life with each other. Finally, when everything was already done, Christina started to make a phone call to each one. When it went to Sally, she answered……