A
1.F(The Hmong,or Meo, who number about 800.000, are found in villages known as giao throughout the highlands of northen Vietnam)
2.F(The Hmong migrated to Vietnam from southern China at the begining of the 19th century)
3.T( The Hmong of Sa Pa are called Black Hmong because of their predominantly black clothing)
4.F(Corn is the main staple of Hmong people) 
5.F(Hemp is grown to be woven into textiles) (mk k chắc câu này lắm)
6.T(Leather goods, songs, folkore and proverbs have been passed down from one generation to the next through the spoken word)
B
1. It's Meo
2. At the begining of the 19th century.
3. Because of their predominantly black clothing
4. On terraces watered with the aid of irrigation.
5. They are a variety of items, including handwoven indigo- dyed cloth, paper,sliver jewellery ,leather goods, baskets and emproirery 

A 

1 F

2 F

3 T

4 F

5 F

6 T

B

1 meo

2 at the begining ò the 19 th century

3 Because of their predominantly black clothing 

4 on terraced

5 handwoven indigo- dyed cloth, paper,sliver jewellery ,leather goods, baskets and emproirery