----- Nội dung dịch tự động từ ảnh -----
gathered under the rule of local tribal heads. Many ethnic
groups divided their population (7) _____ social echelons,
especially those who lived in mountainous areas.
(8)____ ethnic minorities had mastered some farming
techniques. They grew rice plants in swamped paddy fields
and carried out irrigation. Others went hunting, fishing,
collecting and lived a semi-nomadic life. Each group (9) ____ its
own culture, diverse and special. Beliefs and religions of the
Vietnamese ethnic minority groups are also (10)
from each
5 A and
Balthough
while
however
6 A group
B people
D peoples
7 A from
Binto
Cabout
D with
8 A An amount of B The number of CA number of D A deal of
9 A had
Bhave
Chas
D have had
contrary
10 A opposite
B disparate
persons
comparable