16. John said, “I have finished studying my lesson”.  17. Mary said, “I can not go to the movies with you, John”.  18. “I shall expect to see you next Wednesday.” Mary said to her friend.  19. He said, “I don’t know what happened.”  20. She said, “I went to the doctor yesterday.”  21. He said, “I have a toothache.”  22. She said, “I’ll write him a prescription.”  23. They said, “We’re going to the drugstore.”  24. He said, “The doctor gave me some pills.”  25. She said, “I go to the supermarket every day.”  26. He said, “I have received the envelope.”  27. They said, “We visited Cannery Row.”  28. She said, “I feel very sick.”  29. He said, “I bought some popcorn.”  30. They said, “We’re flying to California.”  31. He said, “I’m cutting off the main valve.”  32. Nam said, “my uncle often plants the vegetables in the afternoon.”  33. “My uncle will not plant the vegetables tomorrow afternoon”, she said.  34. “Mr and Mrs Pike have just read these newspapers”, Nga said.  35. She said, “I often listen to music at night.”  36. Lan’s mother said, “My daughter usually brushes her teeth before meals.”  37. They said, “We have to do the assignments now.”  38. Lan says, “My sister seldom rides a bike to school.”  39. They said, “Our teacher sometimes explains the difficult lesson.”