The theme of the second sentence should be "2009 Guangdong International Tourism and Culture Festival Shaoguan Branch and the 6th Shaoguan Tourism, Food and Shopping Happy Festival", which means that "Happy Festival" will be grandly opened in Xihe National Fitness Square. Now, the theme of the first sentence is "Preparation for Happy Festival", and it is impossible to grandly open "Preparation for Happy Festival" in Xihe National Fitness Square. When revising, you can add the subject before the second sentence.