1. How many ethnic groups are there in Viet Nam? Can you name some ethnic groups of Viet Nam? 2. Tell about an ethnic group of Viet Nam you know well. (place of living, population, language, customs, tradition, main jobs, main food, life, )

1 -There are 54 ethnic groups in Viet Nam such as the Kinh, Hmong, Thai, …

->There are + N (số nhiều)

->Tạm dịch: Có 54 nhóm dân tộc ở Việt Nam như là: người Kinh, người H'mong, người Thái,...

2 An ethnic group of Viet Nam that I know well is the Kinh (or the Viet people). It has the largest population, accounting for  86% of the population. The Kinh people live all over the country. Vietnamese is their language. They have a variety of customs and traditions. For example, they have a custom of visiting pagodas at the beginning of the year, making Banh Chung at Tet,...Rice cultivation is the main economic activity of the Kinh. They also raise cattle and poultry. 

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-account for: chiếm khoảng

-a variety of sth: một loạt cái gì đó

-for example: ví dụ, chẳng hạn như

-a custom of doing sth: một phong tục làm gì đó