I,
1. C
2. A
3. C
4. B
5. C
II,
1. B
2. D
3. A
4. C
5. A
III,
1. kangaroo - D
2. lotus - E
3. merlion - A
4. leopard - B
5. elephant - F
6. bald eagle - G
7. kilt - C
IV,
2. official languages
3. English-speaking countries
4. communication breakdowns