16. D. so that
17. C. so interesting as
18. C. more carefully
19. B. less entertaining
20. C. down
21. B. crowded
22. C. second
23. B. going
24. D. for
25. A. expressing
26. C. how
27. A. calm
28. C. housekeeping skill
29. B. Stay calm. Everything will be all right
30. C. where
31. B. to be
32. B. bare-footed
33. D. acting out
34. D. opportunity
35. C. had spent
