33. C. You didn't need to wait.
34. C. Some Americans are said to be superficially friendly.
35. D. She wants to have a new dress made.
36. B. There is no one in the waiting room.
37. A. Vegetables are easy to grow.
38. D. I didn't see Josie although I knew she was ill.
39. C. I wish you had told us about this.
40. D. If I'd known about Josie's illness, I wouldn't have missed seeing her.

33. C. You didn't need to wait.
34. C. Some Americans are said to be superficially friendly.
35. D. She wants to have a new dress made.
36. B. There is no one in the waiting room.
37. A. Vegetables are easy to grow.