C; 2.D; 3.A; 4.D; 5. C; 6. B; 7. D; 8. A; 9. B; 10. C; QUESTION 4

1. C; 2.D; 3.A; 4.D; 5. C; 6. B; 7. D; 8. A; 9. B; 10. C;

Question 4: a) Change these sentences into passive voice