Réponse:
Bonsoir
EXERCISE 1
A. The Indian society is based on a stratification system, which is a strict social caste based on people's occupations
B. The system is hereditary
C. The live in slums, where the living conditions are unsanitary
EXERCISE 2
A. Has Existed
B. Has been abolished
C. Did
D. Has Given
F. Raised
EXERCISE 3
A-3
B-4
C-1
D-2