Which of the highlighted parts in each sentence is incorrect? Find and correct the wrong

Which of the highlighted parts in each sentence is incorrect? Find and correct the wrong.
1. Ca Tru is one of the unique traditional music genres of the Viet Nam. 
Your answer:
2. Worshipping a Kitchen Gods on the 23rd day of the 12th lunar month is believed to see off bad things in the old year.
Your answer:
3. A bamboo dancing is a traditional dance related to the culture of ethnic groups in the northern mountain areas. 
Your answer:
4. Vovinam is a traditional martial art of Viet Nam and it becomes widely popular in the different parts of Viet Nam.
Your answer:
5. A Saint Giong Festival takes place in the third lunar month in Phu Linh commune, Soc Son district, Ha Noi.  Your answer: