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.