标签：话题作文 事件 世博会
字数：450字
提要： How To Be A Lovely Citizen(如何成为一个可爱的上海人) Great changes have taken place in Shanghai and more and more people throughout the world are focusing their attention on Shanghai now. As a citizen of Shanghai, I feel I must spare no efforts to do my bit. First, I decide to help plant more trees to make our city more beautiful. Second, I should obey seven nos and be good at learnin..