The true statements are: 2, 3 and 5
4.
1. c; 2. A; 3. B; 4. C; 5. D; 6. A; 7. D; 8. B ; 9. C; 10. A
Listening-in
1. Red
2. Blue
3. Blue-green
4. Green
5. Red
6. Green
7. Red
8. Red
9. Blue
10.Orange
11.Blue
12.Yellow-green
13.Blue
14.Orange
15.Yellow
16.Yellow-orange