UNIT 1 PARENTS
UNIT 2 COINCIDENCE
UNIT 3 COURAGE
UNIT 4 MARRIAGE
UNIT 5 YOUTH
UNIT 6 STRESS
UNIT 7 THE BUSINESS WORLD
UNIT 8 THE ENVIRONMENT
UNIT 9 THE SINGLE CURRENCY
UNIT 10 THE CINEMA
UNIT 11 LEFT-HANDEDNESS
UNIT 12 BIODIVERSITY
UNIT 13 INVENTIONS
UNIT 14 WOMEN
TEST 1
TEST 2
