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 no"s and be good at learning from others.

　　Third, I should study hard so that I can do something better for my city in the future.