Question

Answer 1

b a a b c d 

announcement

completely

interactive

conversationists

humorous

31. Tet is so important a celebration that family members living apart try to come back home.
32. Both developed and developing nations are responsible for polluting the rivers and seas.

Answer 2

19 B

20 A

24 A

22 B

23 C

24 C

VI

1 announcement

2 completely

3 interactive

4 conservationists

5 advanced

6 humorous

31 a celebration that family members living apart try to come back home

32 and developing nations are responsible for polluting the rivers and seas